Operation Sea Lion
Suspends operation Sea Lion scheduled for 27 September
Role range: 1939-1945 – 1934-1945
Historical biography archive · Updated 2026-11-03
Adolf Hitler Biography and Timeline — Page 26
Follow Adolf Hitler through 1,628 dated historical records for Germany.
Adolf Hitler, historical timeline
A chronological timeline drawn from matching World History Database records.
1,628Distinct records
26 of 41Page
1940–1940Years on this page
1940
Battle of Britain
Failure to gain air superiority prevents the planned invasion of Britain.
Role range: 1939-1945 – 1934-1945
Battle of Britain
Postpones Operation Sea Lion until further notice.
Role range: 1939-1945 – 1934-1945
Operation Sea Lion
Operation Sea Lion is postponed indefinitley
Role range: 1939-1945 – 1934-1945
Invasion of Great Britain
Hitler orders ships in ports to be disperesed to avoid further loss. Hitler orders further assembly of the invasion fleet to cease
Role range: 1939-1945 – 1934-1945
Operation Sea Lion
Invasion fleets in the Channel & North Sea are dispersed to prevent damage by the RAF
Role range: 1939-1945 – 1934-1945
Pact between Germany, Italy and Japan
The Tripartite Pact is signed by Germany, Italy & Japan
Role range: 1939-1945 – 1934-1945
Invasion of France
Army Group D is formed to occupy France
Role range: 1939-1945 – 1934-1945
Invasion of Russia
Army Groups A, B & C are moved to the Eastern Front
Role range: 1939-1945 – 1934-1945
Operation Barbarossa
Army Groups A, B & C, are moved to the Eastern Front
Role range: 1939-1945 – 1934-1945
Meeting with On the Brenner Pass
Ciano, Mussolini & Htler meet on the Brenner Pass
Role range: 1939-1945 – 1934-1945
Invasion of Great Britain
Hitler calls off the invasion until the Spring
Role range: 1939-1945 – 1934-1945
Operation Sea Lion
The British invasion forces are released. After pressure from the Army & the Navy calls off Operation Sea Lion until the Spring
Role range: 1939-1945 – 1934-1945
Meeting with Hitler at Hendaye
Franco meets Hitler at Hendaye but Franco declines to enter the war
Role range: 1939-1945 – 1934-1945
Invasion of Switzerland
The plan plan to invade Switzerland continued to undergo revision until October, when Twelfth Army submitted its fourth draft, now called "Operation Tannenbaum". Although the Wehrmacht feigned moves toward Switzerland in its offensives, it never attempted to invade. After D-Day, the operation was put on hold and Switzerland remained neutral for the duration of the war
Role range: 1939-1945 – 1934-1945
Neutrality
Although the Wehrmacht feigned moves toward Switzerland in its offensives, it never attempted to invade. After D-Day, the operation was put on hold and Switzerland remained neutral for the duration of the war
Role range: 1939-1945 – 1934-1945
Operation Tannenbaum
The plan plan to invade Switzerland continued to undergo revision until October, when Twelfth Army submitted its fourth draft, now called "Operation Tannenbaum"
Role range: 1939-1945 – 1934-1945
Twelfth Army
The plan plan to invade Switzerland continued to undergo revision until October, when Twelfth Army submitted its fourth draft, now called "Operation Tannenbaum"
Role range: 1939-1945 – 1934-1945
Wehrmacht
Although the Wehrmacht feigned moves toward Switzerland in its offensives, it never attempted to invade. After D-Day, the operation was put on hold and Switzerland remained neutral for the duration of the war
Role range: 1939-1945 – 1934-1945
Battle of Greece
Hitler intervened on November 4, 1940, four days after the British took both Crete and Lemnos
Role range: 1939-1945 – 1934-1945
Invasion of Greece
The Fuhrer orders his Army General Staff to prepare for an invasion of Northern Greece via Romania and Bulgaria. Hitler's plans for this campaign are incorporated into a master plan aimed at depriving the British of their Mediterranean bases. Hitler intervened on November 4, 1940, four days after the British took both Crete and Lemnos
Role range: 1939-1945 – 1934-1945
Felix
Hitler issues directive 18 for Operation Felix, the invasion of Gibraltar
Role range: 1939-1945 – 1934-1945
Invasion of Gibraltar
Hitler issues directive 18 for Operation Felix, the invasion of Gibraltar
Role range: 1939-1945 – 1934-1945
Invasion of Greece
The German Armed Forces High Command issued Directive No. 18, in which they scheduled simultaneous operations against Gibraltar and Greece for the following January. Hitler issues directive 18 for Operation Marita, the invasion of Greece
Role range: 1939-1945 – 1934-1945
Operation Marita
Hitler issues directive 18 for Operation Marita, the invasion of Greece
Role range: 1939-1945 – 1934-1945
Bombing of Berlin
British bombers conduct a night raid on Berlin
Role range: 1939-1945 – 1934-1945
Battle of Britain
The Luftwaffe cannot gain permanent air control but sporadic night raids continue
Role range: 1939-1945 – 1934-1945
Battle of Britain
Coventry is blitzed by 500 bombers & almost demolished
Role range: 1939-1945 – 1934-1945
Luftwaffe
The Luftwaffe cannot gain permanent air control but sporadic night raids continue
Role range: 1939-1945 – 1934-1945
Bombing of Gelsenkirchen
British bombers conduct a raid on the Gelsenkirchen oil plant
Role range: 1939-1945 – 1934-1945
Alliance Adolf Hitler and Axis Powers
Hungary joins the Axis Powers
Role range: 1939-1945 – 1934-1945
Pact between Germany, Italy, Japan and Hungary
Hungary joins the Tripartite Pact
Role range: 1939-1945 – 1934-1945
Alliance Adolf Hitler and Axis Powers
Romania joins the Axis Powers
Role range: 1939-1945 – 1934-1945
Pact between Germany, Italy, Japan and Romania
Romania joins the Tripartite Pact
Role range: 1939-1945 – 1934-1945
Alliance Adolf Hitler and Axis Powers
Slovakia joins the Axis Powers
Role range: 1939-1945 – 1934-1945
Pact between Germany, Italy, Japan and Slovakia
Slovakia joins the Tripartite Pact
Role range: 1939-1945 – 1934-1945
Invasion of Russia
Hitler received military plans for the invasion, and approved them all, with the start scheduled for May 1941
Role range: 1939-1945 – 1934-1945
Operation Otto
Hitler's staff present their plan for Operation Otto, the invasion of Russia
Role range: 1939-1945 – 1934-1945
Operation Otto
Announces plan to surround & the Red Army north & south of the Pripet marshes
Role range: 1939-1945 – 1934-1945
Red Army
Announces plan to surround & the Red Army north & south of the Pripet marshes
Role range: 1939-1945 – 1934-1945
Records, sources and methodology
These dates and descriptions come from the historical_events database. Exact duplicate records have been collapsed. Names are grouped by the country, Name 2 and Name 1 fields; records with missing Name 2 cannot be reliably assigned to an individual biography. Check the underlying sources before formal citation.