Reform of Government
Henry renounces the Amicable Grant
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On this date in world history
April 26 in History
This permanent archive page contains 312 World History Database records for April 26, spanning 121 to 2025. Recorded topics include Birth of Marcus Aurelius; Reform of Government; Parliament Supports Hull Governor.
Total: 312Events: 300Births: 3Deaths: 4Battles: 5Countries: 26
Events on April 26
Parliament Supports Hull Governor
Parliament endorses Hotham's refusal and maintains control of the Hull magazine.
Failure at Hispaniola
Fails to capture Hispaniola before the expedition turns toward Jamaica
Failure at Hispaniola
Leads the land attack on Hispaniola that ends in failure
Hereditary Stadtholder of Utrecht
William III of Orange gains hereditary recognition of the stadtholdership in Utrecht.
Reform of Parliament
Extends the life of Parliament to 7 years
Election for Artois
Artois electors sent Robespierre to the Estates General as one of their Third Estate representatives.
Invasion of Portugal
Lands at Lisbon with a new British army
Royal Albert Bridge
Brunel launches a survey cylinder into the River Tamar to investigate foundations for the future bridge.
Symphony No 1 Premiere
Conducts the first performance of the original version of Symphony No 1 in Helsinki.
Constitution of Russia
The new fundemental laws for the constitution are made public
Minister of Interior
Appointed Minister of the Interior
Senate Californian Testimony
Gives evidence about Californian's position, ice conditions and the ship's actions during Titanic's distress.
Senate Californian Wireless Testimony
Explains Californian's wireless traffic and communications with Titanic before the disaster.
Titanic Inquiry Assessors Nominated
Nominates five assessors to assist Lord Mersey during the formal investigation into Titanic's loss.
Adalia Interest
Obtains recognition of an Italian interest in the region around Adalia if Ottoman territory in Asia is partitioned.
Adalia Interest Clause
Accepts provisions recognising Italian interests around Adalia if Ottoman territory in Asia is partitioned or occupied.
African Compensation Clause
Accepts in principle possible colonial compensation for Italy if France and Britain gain German territory in Africa.
Albanian Arrangement
Accepts provisions concerning Valona, a reduced neutral Albanian state and possible territorial changes around Albania.
Albanian Arrangements
Accepts provisions allowing a reduced neutral Albanian state while giving Italy a privileged position around Valona and in Albanian foreign affairs.
Bolshevik Party
The Treaty is secret until later exposed by the Russian Bolsheviks
Dalmatian Claims
Accepts the agreement promising Italy substantial parts of Dalmatia and specified Adriatic islands.
Dalmatian Claims
Obtains extensive promised territorial gains along the Dalmatian coast and islands.
Decision for Intervention
Supports the secret agreement that aligns Italy with the Entente and promises territorial rewards after victory.
Dodecanese
Secures Allied recognition of Italian ownership of the Dodecanese islands already occupied by Italy.
Dodecanese Promise
Obtains Allied recognition of future Italian sovereignty over the Dodecanese islands then occupied by Italy.
Entry Commitment
Approves Italy's commitment to begin active operations against the enemies of the Entente within one month.
Helles Beachheads Joined
Hunter-Weston consolidates several Helles landing beaches into a continuous Allied foothold.
Holy See Clause
Accepts a clause supporting Italy's opposition to participation by representatives of the Holy See in diplomatic action over the final peace.
Holy See Exclusion Clause
The treaty contains a clause supporting Italian opposition to Holy See representation in future peace negotiations concerning the war.
Independent Muslim Holy Places
Accepts the declaration that Arabia and the Muslim Holy Places should remain under an independent Muslim power.
Italian Intervention
Approves the agreement intended to bring Italy into the war on the Allied side.
Italian Loan Clause
Accepts Britain's undertaking to facilitate a large loan for Italy on the London financial market.
Italy Joins Entente
Asquith's government concludes the secret London agreement promising territorial gains to Italy in return for entering the war against the Central Powers.
Kum Kale Force Withdrawn to Helles
D'Amade withdraws the French diversionary force from Kum Kale after completing its task.
London Loan
Obtains a British undertaking to facilitate an immediate Italian loan of at least fifty million pounds on the London market.
Military Convention Clause
Signs terms calling for immediate military coordination among Britain, France, Italy and Russia.
Naval Assistance Clause
Accepts provisions for French and British naval assistance to Italy against the Austro-Hungarian fleet.
No Separate Peace
Signs the accompanying declaration binding the four governments not to conclude a separate peace.
One-Month Entry Commitment
Commits Italy to take the field within one month of signing the agreement.
Treaty of London
His government joins France and Russia in the secret agreement promising territorial gains if Italy enters the war against the Central Powers.
Treaty of London
Negotiates the secret agreement promising Italy Trentino, South Tyrol, Trieste, Istria and other gains in return for entering the war.
Treaty Secrecy
Signs provisions requiring the agreement itself to remain secret while Italy's eventual adherence to the Allied declaration becomes public.
Treaty Secrecy
Accepts that the agreement and its territorial promises will remain secret.
Treaty Signature
Benckendorff commits Russia to the concessions promised to Italy in return for Italian intervention.
Treaty Signature
Signs the secret agreement on behalf of Russia.
Treaty Signature
Signs the secret agreement for France, committing the Allies to the negotiated concessions to Italy.
Treaty Signature
Signs the secret Treaty of London on behalf of France.
Treaty Signature
Signs the secret agreement for Britain alongside the Italian, French and Russian representatives.
Treaty Signature
Signs the secret agreement with the Italian, French and Russian representatives.
Treaty Signature
Imperiali places Italy's signature on the secret accord binding Italy to enter the war alongside the Entente.
Treaty Signature
Signs the Treaty of London for Italy after presenting his government's memorandum of conditions.
Trentino and South Tyrol
Secures Allied promises that Italy will receive Trentino and South Tyrol to the Brenner after victory.
Trentino Promise
Secures the Allied promise that Italy should receive the Trentino and the frontier toward the Brenner after victory.
Trieste and Istria
Obtains promises of Trieste, Gorizia, Gradisca and most of Istria in the future peace settlement.
Trieste and Istria Promise
Secures promised Italian acquisition of Trieste, Gorizia, Gradisca and most of Istria under the secret settlement.
Valona and Saseno
Secures a promise that Italy will receive Valona, Saseno and surrounding strategic territory.
Valona Promise
Secures a promise of full Italian sovereignty over Valona, Saseno and surrounding territory.
War Contribution
Secures a promise that Italy will receive a share of any war contribution proportionate to its sacrifices.
War Indemnity Clause
Obtains recognition that Italy should receive a share of any eventual war indemnity reflecting its sacrifices.
Demonstrations
The Provisional Government concedes that it cannot maintain order
Provisional Government
The Provisional Government concedes that it cannot maintain order
Great Debate Andromeda Argument
Uses spiral nebulae including Andromeda in the Great Debate, arguing that they are external galaxies rather than small objects inside the Milky Way.
Marriage
Marries Elizabeth Bowes-Lyon, youngest daughter of the 14th Earl of Strathmore
President of Germany
Appointed President of Germany, 1st term
1930 FA Cup Final Opening Goal
Scores Arsenal's opening goal as the club defeat Huddersfield Town to win their first major trophy.
1930 FA Cup Final Second Goal
Scores Arsenal's second goal in the 2-0 FA Cup final victory over Huddersfield Town.
Captain of Arsenal's First Major Trophy
Captains Arsenal to the club's first major trophy in the FA Cup final victory over Huddersfield Town.
Gestapo
Creates the Gestapo in Prussia, establishing a secret police instrument for surveillance and repression.
Bombing of Geurnica
The kondor legion bombs the basque town of Geurnica killing over 6,000
Bombing of Guernica
The Condor Legion takes part in the bombing of Guernica
Military Training Announcement
Announces compulsory military training as Britain accelerates preparation for a possible European war after the collapse of the Munich settlement.
Party Leader
Appointed Party Leader of the United Australia Party
Prime Minister of Australia
Appointed Prime Minister of Australia, 1st term
Invasion of Norway
General Mackesy is forced to call off the pincer assault on Trondheim
Siege of Trondheim
General Mackesy is forced to call off the pincer assault on Trondheim
Government of National Unity Formed
Papandreou forms a government intended to unite resistance and exile political forces.
Berlin Defence Area
General der Artillerie Helmuth Weidling is appointed commander of the Berlin Defence Area
Commander of Berlin Defence Area
Helmuth Weidling is appointed Commander of the Berlin Defence Area
General der Artillerie
Helmuth Weidling is appointed Commander of the Berlin Defence Area
Invasion of Germany
American & Russian troops link forces at the River Elbe
Defence Testimony at Nuremberg
Streicher testified before the Tribunal about his propaganda activities and political career.
Witness Testimony at Nuremberg
Gisevius testified as a defence witness about opposition circles and the Nazi leadership.
Geneva Conference
Directs US diplomacy during the Geneva Conference on Indochina
Geneva Conference Opens
Heads the Chinese delegation when the Geneva Conference opens to discuss Korea and Indochina.
Vice Presidency
Announces candidacy for 2nd term as Vice President
Government Ends
His government ends in Helsinki, concluding this term as Prime Minister of Finland.
Prime Minister
Takes office as Prime Minister of Finland and forms a government in Helsinki.
Louisiana Employment Registration
Oswald registered with the Louisiana Department of Labor on April 26, 1963, seeking work in photography, shipping, or darkroom occupations.
Beloyarsk Nuclear Power
The achievement marks beloyarsk nuclear power as an important Russian scientific milestone.
Beloyarsk Unit 1 Grid Connection
Supports reactor development as Beloyarsk Unit 1 connects to the electrical grid.
Prime Minister Restored
Restored as Prime Minister after the military regime collapses
Restored Cabinet Formed
Forms a restored APC government after returning to office
Referendum
Says de Gaulles "suicide-by-referendum" was a manoeuvre for him to exit public life
Suicide
Says de Gaulles "suicide-by-referendum" was a manoeuvre for him to exit public life
London Airport
The Government decides to build the 3rd London airport at Foulness
Itaipu Treaty
Signs the Itaipu Treaty with Brazil to develop a major hydroelectric project.
White House Tape 431-009
John Ehrlichman appears with Richard Nixon, H. R. Haldeman, and Ronald Ziegler in the 309-minute White House recording numbered 431-009; the Watergate Special Prosecution Force later included the recording in its transcript collection.
White House Tape 431-009
H. R. Haldeman appears with Richard Nixon, John Ehrlichman, and Ronald Ziegler in the 309-minute White House recording numbered 431-009; the Watergate Special Prosecution Force later included the recording in its transcript collection.
White House Tape 431-009
Richard Nixon appears with H. R. Haldeman, John Ehrlichman, and Ronald Ziegler in the 309-minute White House recording numbered 431-009; the Watergate Special Prosecution Force later included the recording in its transcript collection.
White House Tape 431-009
Ronald Ziegler appears with Richard Nixon, H. R. Haldeman, and John Ehrlichman in the 309-minute White House recording numbered 431-009; the Watergate Special Prosecution Force later included the recording in its transcript collection.
White House Tape 905-008
H. R. Haldeman appears with Richard Nixon in the 89-minute White House recording numbered 905-008; the Watergate Special Prosecution Force later included the recording in its transcript collection.
White House Tape 905-008
Richard Nixon appears with H. R. Haldeman in the 89-minute White House recording numbered 905-008; the Watergate Special Prosecution Force later included the recording in its transcript collection.
Referendum
Addresses the NEC Conference on Europe but it votes 2 to 1 to stay out of Europe
Deadline for Libyan Dissidents
Gaddafi orders dissidents abroad to return by June or face revolutionary punishment.
Declaration of Defence Area
A "defence area" is declared around the fleet
Defence Area
Declares a defence area around the British fleet.
Falklands Task Force
Admiral Woodward's task group rendezvous with mid-Atlantic destroyers
Guarantee Proposal Withdrawn
Accepts Haig's judgment that the proposed American security guarantee has little chance of agreement and returns to the latest Washington framework as the basis for further negotiations.
Leith Surrender
Surrenders the Argentine detachment at Leith Harbour after British forces retake South Georgia.
Task Group Rendezvous
Rendezvous with destroyers moving south.
Tug of War
Produces Tug of War, reuniting with Paul McCartney for a successful early-1980s album.
United States Security Guarantee Proposal
After Britain retakes South Georgia, proposes that Argentina withdraw from the Falklands while the United States militarily guarantees the islands' security during a renewed diplomatic process.
Akimov Ambulance Request
Requests medical assistance as injured workers and firefighters begin showing the effects of burns, trauma and intense radiation exposure.
Akimov Automatic Regulator Transition
Oversees the control room when transfer to the automatic regulating system is followed by an unexpected collapse in reactor power.
Akimov Continued Power Reduction
Supervises the continued reduction of Unit 4 power after the reactor reaches about 720 megawatts thermal shortly after midnight.
Akimov Control-Rod Stall Response
Responds when the emergency shutdown rods stop before full insertion and attempts further action through the control-rod drive system.
Akimov Department Chief Notifications
Contacts electrical and other plant department chiefs to obtain power, cooling support and other resources required for emergency stabilization.
Akimov Electrical Damage Briefing
Receives Razim Davletbayev's report of lost electrical power, torn cables and electrical arcing in the damaged turbine area.
Akimov Emergency Feedwater Direction
Instructs operators to start emergency feedwater equipment because the control room still believes reactor cooling may be possible.
Akimov Emergency Shutdown Action
Orders the AZ-5 emergency shutdown as Unit 4 enters the final seconds before the destructive power surge.
Akimov Feedwater Valve Work
Works with Leonid Toptunov on manual feedwater valves in contaminated plant areas after normal cooling controls become unusable.
Akimov Fire Brigade Call
Summons the plant fire service after the explosions and begins contacting specialist departments needed for the emergency.
Akimov Left-Circuit Pump Startup
Supervises the test configuration as a standby main circulation pump is started in the left cooling circuit at about 01:03.
Akimov Low-Power Test Concern
Questions the safety of continuing after reactor output falls unexpectedly to a very low level during test preparations.
Akimov Metlenko Valve Mission
Sends Igor Metlenko toward the turbine hall to assist with manual opening of cooling-system valves after electrical controls fail.
Akimov Midnight Shift Handover
Assumes responsibility for the Unit 4 night shift at midnight after the turbine rundown test has been delayed by grid demand.
Akimov Night Shift Command
Takes charge of Unit 4 during the night shift, inheriting responsibility for the delayed turbine rundown test.
Akimov Palamarchuk Communication Mission
Sends Pyotr Palamarchuk to contact radiation-monitoring staff after damaged internal telephone lines disrupt normal plant communications.
Akimov Power Recovery Supervision
Directs control-room work while Leonid Toptunov raises reactor output from the unexpected low-power condition.
Akimov Pripyat Hospital Admission
Is admitted to the hospital in Pripyat after prolonged emergency work at Unit 4 leaves him seriously affected by radiation exposure.
Akimov Pump Failure Indications
Sees control-panel indications showing failed pumps and loss of normal coolant flow immediately after the reactor explosions.
Akimov Reactor Damage Reports
Receives eyewitness reports of catastrophic structural damage while trying to reconcile them with incomplete control-room instrument readings.
Akimov Right-Circuit Pump Startup
Oversees addition of another main circulation pump to the right cooling circuit as preparations for the rundown test continue.
Akimov Steam Drum Level Response
Supervises corrective action as operators increase feedwater flow to recover the falling steam-drum water level before the test.
Akimov Turbine Test Start
Allows the turbine rundown sequence to proceed once the operating team considers preparations complete at about 01:23.
Antoshkin Chernobyl Helicopter Reconnaissance
Carries out a helicopter reconnaissance flight over the damaged Chernobyl plant shortly after the accident.
Brazhnik Turbine Emergency Work
Returns to the turbine area and participates in emergency actions around damaged machinery and burning equipment.
Brazhnik Turbine Fire Report
Runs to the control room and reports that fires have broken out in the turbine hall.
Brazhnik Turbine Hall Duty
Works in the turbine section when the Unit 4 explosion damages the adjoining plant structures.
Bryukhanov Emergency Arrival
Arrives at the plant after the Unit 4 explosion and takes part in the emergency management response.
Bryukhanov Moscow Accident Report
Passes early information about the accident through the Soviet nuclear-management chain toward Moscow.
Bryukhanov Plant Bunker Command
Works from the plant emergency bunker as incomplete reports underestimate the extent of reactor destruction and radiation.
Bryukhanov Reactor Damage Confirmation
Receives increasingly clear evidence that the Unit 4 reactor has been destroyed despite earlier assumptions that it remained intact.
Chernobyl Initial Briefings
Receives initial government briefings as Soviet authorities begin assessing the scale of the Chernobyl reactor accident.
Chernobyl Initial Briefings
Receives initial government briefings as Soviet authorities begin assessing the scale of the Chernobyl reactor accident.
Davletbayev Accident Survival
Survives his involvement in the immediate response inside the damaged turbine and reactor complex.
Davletbayev Electrical Damage Report
Reports loss of electrical power, torn cables and electrical arcing after inspecting the damaged turbine hall.
Davletbayev Turbine Fire Assessment
Assesses multiple fires and damaged systems in the turbine building during the first emergency response.
Davletbayev Turbine Hall Response
Moves into the turbine hall with colleagues after the explosion to assess fires and equipment damage.
Dyatlov 200 MW Test Continuation
Accepts carrying out the test after reactor power is stabilized at roughly 200 megawatts thermal.
Dyatlov Backup Control Room Check
Checks the backup control area and attempts further shutdown actions after the Unit 4 explosions.
Dyatlov External Damage Survey
Goes outside with radiation-monitoring staff to inspect damage around the destroyed Unit 4 building.
Dyatlov Low-Power Test Decision
Supports continuing the turbine rundown test after reactor power falls far below the originally intended level.
Dyatlov Manual Control Rod Order
Orders personnel to investigate whether jammed control rods can be lowered manually after the explosions disrupt the normal drive mechanisms.
Dyatlov Manual Control Rod Order
Orders personnel to investigate whether jammed control rods can be lowered manually after the explosions disrupt the normal drive mechanisms.
Dyatlov Manual Rod Order Cancelled
Abandons the attempted manual control-rod intervention after the scale of structural destruction makes the task impractical and dangerous.
Dyatlov Manual Rod Order Cancelled
Abandons the attempted manual control-rod intervention after the scale of structural destruction makes the task impractical and dangerous.
Dyatlov Operating Logs Collected
Collects operating records from the control room before leaving to report the developing situation to senior plant management.
Dyatlov Operating Logs Collected
Collects operating records from the control room before leaving to report the developing situation to senior plant management.
Dyatlov Post-Explosion Cooling Order
Orders emergency efforts to keep water flowing toward the damaged reactor after the explosions.
Dyatlov Radiation Sickness Symptoms
Develops weakness and vomiting after prolonged exposure in contaminated plant areas during the first hours following the accident.
Dyatlov Radiation Sickness Symptoms
Develops weakness and vomiting after prolonged exposure in contaminated plant areas during the first hours following the accident.
Dyatlov Sends Injured Workers for Treatment
Directs injured workers encountered in the plant corridors toward medical treatment as the emergency response spreads through the damaged unit.
Dyatlov Sends Injured Workers for Treatment
Directs injured workers encountered in the plant corridors toward medical treatment as the emergency response spreads through the damaged unit.
Dyatlov Turbine Hall Damage Inspection
Observes fallen roofing, fires and leaking oil while examining damage in and around the turbine-hall area after the explosions.
Dyatlov Turbine Hall Damage Inspection
Observes fallen roofing, fires and leaking oil while examining damage in and around the turbine-hall area after the explosions.
Dyatlov Turbine Rundown Supervision
Remains in the Unit 4 control room as the turbine rundown test begins at 01:23.
Dyatlov Unit Four Staff Reduction
Orders personnel no longer needed in the Unit 4 control room to move away from the increasingly hazardous operating area.
Dyatlov Unit Four Staff Reduction
Orders personnel no longer needed in the Unit 4 control room to move away from the increasingly hazardous operating area.
Dyatlov Unit Three Shutdown Order
Orders Unit 3 to be shut down as the scale of the emergency around Unit 4 becomes clearer.
Fomin Accident Cleanup Participation
Participates in the early management of cleanup and stabilization work after the destruction of Unit 4.
Fomin Continuous Water Order
Orders personnel to continue feeding water toward the damaged reactor while management still believes cooling may be possible.
Fomin Emergency Arrival
Arrives during the early morning emergency and joins senior plant management handling the Unit 4 accident.
Fomin Emergency Staffing Coordination
Coordinates replacement personnel and technical staff as the plant attempts to maintain essential systems during the expanding emergency.
Fomin Learns of Unit Four Accident
Learns of the Unit 4 accident at about four in the morning and travels to the plant to join the emergency response.
Fomin Reactor Destruction Report Received
Receives Sitnikov's report that the Unit 4 reactor has been destroyed after the inspection.
Fomin Reassigns Personnel to Unit Four
Transfers additional staff to Unit 4 as radiation exposure and injuries remove members of the original operating team from duty.
Fomin Receives Initial Reactor Status Report
Receives early reports indicating that the reactor may still be intact despite growing evidence of catastrophic structural damage.
Fomin Sitnikov Inspection Order
Directs Anatoly Sitnikov to inspect the damaged reactor area and determine the condition of Unit 4.
Gorbachenko Dosimetry Duty
Works as a radiation-monitoring technician during the first hours after the Unit 4 explosion.
Gorbachenko Hospital Treatment
Receives medical attention after completing emergency dosimetry and rescue duties during the first response.
Gorbachenko Radiation Burn
Receives radiation exposure while carrying out monitoring and rescue work in highly contaminated areas.
Gorbachenko Radiation Survey with Dyatlov
Accompanies Anatoly Dyatlov during an external inspection of the damaged Unit 4 complex.
Gorbachenko Shashenok Rescue
Helps Pyotr Palamarchuk rescue the badly injured Vladimir Shashenok from the damaged plant.
Ignatenko Injured Firefighter Assistance
Helps weakened colleagues descend from the roof after they begin showing severe radiation sickness symptoms.
Ignatenko Pripyat Fire Crew Response
Responds from Pripyat as part of Viktor Kibenok's firefighting unit during the first hours of the disaster.
Ignatenko Unit Three Roof Firefighting
Fights fires on the roof areas near Unit 3 where radioactive debris from Unit 4 has landed.
Khodemchuk Body Unrecovered
Remains missing beneath the destroyed Unit 4 structure because rescuers cannot safely recover his body.
Khodemchuk Killed in Reactor Explosion
Is killed when the Unit 4 explosion destroys part of the main circulation pump building.
Khodemchuk Night Shift Pump Duty
Works in the main circulation pump area of Unit 4 during the night shift before the explosion.
Kibenok Firefighter Rescue Assistance
Helps weakened firefighters descend after radiation sickness symptoms begin affecting crews on the roof.
Kibenok Pripyat Brigade Arrival
Arrives from Pripyat with firefighters responding to the expanding emergency at Units 3 and 4.
Kibenok Roof Firefighting Command
Supervises firefighters tackling highly radioactive burning debris on the roofs near Unit 3.
Kibenok Ventilation Block Deployment
Deploys his crew toward the ventilation-block area after receiving directions from Vladimir Pravik.
Kostin Destroyed Reactor Image
Produces one of the earliest widely known photographic records showing the destruction of Unit 4.
Kostin First Chernobyl Aerial Photography
Flies over the destroyed plant and photographs the exposed Unit 4 reactor during the first day of the disaster.
Kostin Radiation-Damaged Film
Finds that intense radiation has damaged most of the photographic film exposed during his early Chernobyl flight.
Kudryavtsev Control Room Observation
Observes Unit 4 operations as a reactor-control trainee during the night of the accident.
Kudryavtsev Manual Rod Mission
Is sent with Viktor Proskuryakov toward the reactor hall to investigate and attempt manual control-rod action.
Kudryavtsev Reactor Destruction Report
Returns after seeing the devastated reactor area and reports that Unit 4 has been destroyed.
Kudryavtsev Reactor Hall Approach
Climbs through the damaged building and approaches the reactor hall despite intense radiation and structural destruction.
Legasov Armoured Vehicle Inspection
Approaches the damaged reactor in an armoured vehicle to obtain a closer assessment of Unit 4 and the surrounding radiation conditions.
Legasov Arrival in Pripyat
Arrives in Pripyat during the afternoon and begins evaluating the destroyed reactor and radiological conditions.
Legasov Commission Technical Briefing
Briefs other members of the Government Commission on the reactor condition and the technical dangers posed by radioactive releases.
Legasov Departure for Chernobyl
Leaves Moscow as a member of the newly formed Government Commission assigned to investigate and respond to the Chernobyl accident.
Legasov Government Commission Appointment
Joins the Soviet Government Commission sent to investigate the Chernobyl accident and direct technical response measures.
Legasov Initial Reactor Inspection
Examines the condition of Unit 4 and helps the Government Commission establish the seriousness of the reactor destruction.
Legasov Journey to Ukraine
Travels with the Government Commission to Ukraine while officials gather the first reliable information about the scale of the reactor accident.
Legasov Meeting with Shcherbina
Meets Government Commission chairman Boris Shcherbina before travelling with the commission toward the Chernobyl disaster zone.
Legasov Radiation Assessment
Reviews radiation measurements from around the plant as the commission determines the hazards facing workers and nearby residents.
Legasov Reactor Criticality Assessment
Is tasked with assessing whether the destroyed reactor could become critical again and cause further energy release.
Legasov Reactor Emission Assessment
Evaluates the source and intensity of emissions from the destroyed Unit 4 core for the Government Commission.
Legasov Reactor Shutdown Confirmation
Helps establish from observations and technical evidence that the destroyed reactor is no longer operating as a functioning nuclear reactor.
Nuclear Power
Reporting restrictions are restored, only Tass bulletins are published
Palamarchuk Dosimetrist Contact
Locates radiation-monitoring technician Vladimir Gorbachenko so they can continue the rescue attempt.
Palamarchuk Shashenok Rescue
Helps recover the unconscious Vladimir Shashenok from the damaged Unit 4 area.
Palamarchuk Shashenok Search
Searches for Vladimir Shashenok after communications with his instrument room are lost.
Palamarchuk Turbine Area Evacuation Warning
Warns personnel in the turbine area to leave as fires, structural damage and radiation make continued work dangerous.
Palamarchuk Turbine Hall Inspection
Moves into the turbine hall after the explosions and sees fires, damaged pipes and radioactive debris.
Perevozchenko Control Room Arrival
Reaches the Unit 4 control room after the explosions and reports extensive damage in the reactor section.
Perevozchenko Control Room Damage Warning
Reports back that the reactor area is destroyed after entering zones with extremely high radiation levels.
Perevozchenko Dosimetry Request
Seeks radiation information from dosimetry staff while moving through the damaged Unit 4 building.
Perevozchenko Khodemchuk Search
Searches highly contaminated areas near the collapsed pump hall in an attempt to locate Valery Khodemchuk.
Perevozchenko Reactor Hall Mission
Moves toward the reactor hall with trainees attempting to determine whether manual control-rod action is possible.
Pikalov Chemical Troops Deployment
Organizes deployment of Soviet chemical-defense troops needed for radiation survey, decontamination and emergency operations.
Pikalov Chernobyl Arrival
Arrives in the Chernobyl area within hours of the explosion to direct specialized military radiological-response units.
Pikalov Radiation Reconnaissance Circuit
Personally conducts radiation reconnaissance around the plant to identify dangerous areas and the direction of contamination.
Pravik First Fire Crew Arrival
Leads one of the first firefighting crews to reach the damaged Unit 4 complex after the alarm.
Pravik Major Fire Alarm
Calls for extensive reinforcements after recognizing that fires threaten multiple structures around the reactor.
Pravik Turbine Hall Fire Direction
Directs firefighters toward fires affecting the turbine-hall roof and nearby structures.
Pravik Unit Three Roof Team
Leads firefighters onto the roof near Unit 3 to stop burning debris from spreading the fire.
Proskuryakov Control Room Observation
Observes Unit 4 operations as a reactor-control trainee during the turbine rundown test.
Proskuryakov Damage Report
Returns from the reactor area and reports catastrophic damage to personnel in the Unit 4 control room.
Proskuryakov Manual Rod Mission
Accompanies Aleksandr Kudryavtsev toward the reactor hall to investigate the control-rod mechanism after the explosions.
Proskuryakov Reactor Hall Inspection
Reaches the damaged reactor-hall area and sees the destruction around the exposed Unit 4 core.
Shashenok Explosion Injuries
Suffers severe traumatic, thermal and radiation injuries when the explosion destroys his work area.
Shashenok Instrument Room Duty
Works in an instrument room monitoring turbine and reactor-related systems when Unit 4 explodes.
Shashenok Rescue from Room 604
Is recovered unconscious from the damaged plant by colleagues who carry him from the wrecked instrument area.
Shcherbina Arrival in Pripyat
Arrives in the Chernobyl area to lead the Government Commission during the first day of the emergency.
Shcherbina Chernobyl Commission Chairmanship
Is appointed chairman of the Soviet Government Commission created to investigate and manage the Chernobyl disaster.
Sitnikov Cooling Assistance
Assists continuing efforts to establish cooling water flows after confirming the catastrophic reactor damage.
Sitnikov Emergency Duty Call
Is called into the plant during the emergency as senior engineering staff gather to assess Unit 4.
Sitnikov Reactor Destroyed Report
Reports to senior plant management that Unit 4 has been destroyed after carrying out his inspection.
Sitnikov Reactor Roof Inspection
Inspects the damaged reactor area from an elevated position despite extremely dangerous radiation levels.
Stolyarchuk Accident Survival
Survives the Unit 4 accident and becomes one of the control-room personnel able to describe the night's events.
Stolyarchuk Coolant System Monitoring
Monitors coolant and feedwater conditions as reactor parameters change during the low-power test preparations.
Stolyarchuk Emergency Feedwater Pump Order
Responds to orders to establish emergency feedwater after the Unit 4 explosions.
Stolyarchuk Post-Explosion Control Room Duty
Remains at his control-room post while operators attempt to understand the damage and stabilize plant systems.
Stolyarchuk Reactor Cooling Effort
Supports efforts intended to maintain water flow toward the damaged reactor during the first hours of the accident.
Stolyarchuk Unit Four Control Duty
Works in the Unit 4 control room during the night of the turbine rundown test.
Telyatnikov Emergency Callout
Responds to the Chernobyl emergency and travels to the plant after learning of the Unit 4 fire.
Telyatnikov Fireground Command
Takes overall command of firefighting operations around Units 3 and 4 during the early morning emergency.
Telyatnikov Radiation Illness
Develops symptoms of severe radiation exposure after spending hours directing firefighting operations at the plant.
Telyatnikov Reactor Fire Reconnaissance
Inspects the fire situation while crews work on roofs and plant structures threatened by burning radioactive debris.
Telyatnikov Unit Three Protection
Coordinates efforts intended to prevent fires from spreading to the still-intact Unit 3 reactor building.
Tishura Acute Radiation Collapse
Collapses after developing severe symptoms during the high-radiation roof firefighting operation.
Tishura Pripyat Fire Brigade Response
Responds with the Pripyat fire brigade to fires around the damaged Unit 4 reactor.
Tishura Unit Three Roof Firefighting
Fights burning radioactive debris on the roof near Unit 3 and the ventilation block.
Titenok Pripyat Fire Response
Responds with the Pripyat fire brigade to the Chernobyl plant after the Unit 4 explosion.
Titenok Radiation Collapse
Becomes seriously ill during roof firefighting and is helped down by fellow firefighters.
Titenok Ventilation Roof Firefighting
Fights radioactive fires on the roof near the ventilation block and Unit 3.
Toptunov Control Rod Withdrawal
Withdraws control rods as operators attempt to maintain reactor power against xenon poisoning and changing coolant conditions.
Toptunov Emergency Feedwater Work
Operates feedwater valves with Alexander Akimov after the explosion, remaining in contaminated areas while attempting to restore cooling flow.
Toptunov Power Increase Warning
Reports abnormal reactor power behaviour immediately before the emergency shutdown sequence and explosions.
Toptunov Reactor Control Duty
Operates Unit 4 reactor controls during the night shift assigned to carry out the turbine rundown test.
Toptunov Reactor Power Collapse
Responds when reactor power unexpectedly falls to a very low level during transfer of the regulating system.
Toptunov Reactor Power Recovery
Works to restore reactor power until Unit 4 stabilizes at roughly 200 megawatts thermal.
Tregub Control Room Damage Report
Returns toward the control room to report the severe destruction observed around the reactor building.
Tregub Emergency Response Survival
Survives his involvement in the immediate Unit 4 emergency response after receiving radiation exposure at the site.
Tregub Post-Explosion Inspection
Moves through the damaged plant with colleagues after the explosions to assess the condition of Unit 4.
Tregub Reactor Destruction Observation
Sees the extensive destruction outside Unit 4 and recognizes that the reactor building has suffered catastrophic damage.
Tregub Remains for Test
Remains near Unit 4 after his shift so he can observe the turbine rundown test and assist if required.
Tregub Shift Handover
Hands responsibility for Unit 4 to the incoming night shift while remaining at the plant during the delayed test.
Vashchuk Pripyat Brigade Response
Responds with Pripyat firefighters to the burning Unit 4 complex after the reactor explosion.
Vashchuk Radiation Exposure
Receives a severe radiation dose while fighting fires among highly radioactive reactor debris.
Vashchuk Roof Firefighting
Works on roof fires threatening Unit 3 and nearby structures during the first emergency response.
Yuvchenko Explosion Shock Wave
Experiences the blast wave between Units 3 and 4 as doors and walls are damaged by the explosion.
Yuvchenko Exterior Reactor Inspection
Goes outside with Yuri Tregub and sees that a large part of the Unit 4 building has been destroyed.
Yuvchenko Pump Hall Rescue Attempt
Attempts to help after a badly injured pump operator reports that Valery Khodemchuk is missing.
Yuvchenko Reactor Door Support
Holds open a heavy door while colleagues inspect the devastated reactor-hall area.
Yuvchenko Reactor Hall Warning
Warns colleagues that the reactor area has been destroyed when they are sent toward the central hall.
Government Ends
His government ends in Helsinki, concluding this term as Prime Minister of Finland.
Prime Minister
Takes office as Prime Minister of Finland and forms a government in Helsinki.
Presidential Election Victory
Konare wins the presidential runoff concluding Mali's transition to elected civilian government.
April Referendum Reform Mandate
Treats the referendum result as political backing for continued reform despite persistent conflict with parliament.
Crazy Diamond - The Complete Syd Barrett
EMI release "Crazy Diamond - The Complete Syd Barrett" as a box set
Election
South Africas 1st ever multi-racial election
Priroda Final Module Docking
Supports operations as Priroda docks automatically with Mir, completing the station's principal modular configuration for scientific research.
Cassini Venus Flyby
Cassini performs its first Venus gravity assist while travelling toward Saturn and conducts limited observations of the planet.
Orion Protoplanetary Disks
Hubble images provide direct visual evidence of planet-building material in dusty disks around young stars in the Orion Nebula.
Devils and Dust
Releases Devils and Dust, a solo-oriented album focused on war, faith and private moral conflict.
Exile of Khaleda Zia
Bangladeshs emergency Government backtracks on plans to exile two feuding former Prime Minister's but appears to threaten the women with corruption charges if they stay in the country
Exile of Sheikh Hasina Wajed
Bangladeshs emergency Government backtracks on plans to exile two feuding former Prime Minister's but appears to threaten the women with corruption charges if they stay in the country
Re-Elected President
Nazarbayev wins another early presidential election
Makemake Moon Discovery
Parker leads Hubble observations discovering a small dark moon orbiting the dwarf planet Makemake.
Makemake Moon Discovery
Parker leads Hubble observations revealing a small dark moon orbiting the Kuiper Belt dwarf planet Makemake.
Ramstein Meeting
Convenes allies to coordinate military support for Ukraine.
Ukraine Contact Group
Joins allied planning for long-term Ukrainian defense support.
Trump Meeting at Pope Francis Funeral
Meets Donald Trump before Pope Francis's funeral and discusses efforts to end the war.
Births on April 26
Birth of Marcus Aurelius
Birth of Marcus Aurelius in Rome.
Birth of Ludwig Wittgenstein
Birth of Ludwig Wittgenstein
Birth of Prince Philippos
Prince Philippos, the youngest child of Constantine II and Anne-Marie, is born in London.
Deaths on April 26
Death of Kunwar Singh
Kunwar Singh dies at Jagdishpur after returning from a final campaign against British forces.
Death of Sid James
Death of Sid James
Shashenok Death at Pripyat Hospital
Dies at Pripyat hospital without regaining consciousness after being rescued from the damaged Unit 4 building.
Death of Bea Arthur
Death of Bea Arthur, actress in the "Golden Girls"
Battles on April 26
Battle of Berlin
General der Artillerie Helmuth Weidling is appointed commander of the Berlin Defence Area
Battle of Berlin
I have no intentions of wandering around in the woods. I am staying here and I will fall at the head of my troops. You, for your part, will carry on with your defence.".
Battle of Berlin
In the depths of the Bendlerblock, Weidlings staff did not know whether it was day or nigh. Helmuth Weidling is appointed Commander of the Berlin Defence Area
Battle of Berlin
Weidling chose as his base of operations the old army headquarters on the Bendlerstrasse, the "Bendlerblock." This location had well-equipped air-raid shelters and was close to the Reich Chancellery.
Battle of Berlin
Weidling presented Hitler with a detailed proposal for a breakout from Berlin. When Weidling finished, Hitler shook his head and said: "Your proposal is perfectly all right. But what is the point of it all?