Birth of Taisho
Birth of Taisho, son of Mutsuhito
Role range: 1912-1926
Historical biography archive · Updated 2026-11-03
Taisho Biography and Timeline
Follow Taisho through 31 dated historical records for Japan.
Taisho, historical timeline
A chronological timeline drawn from matching World History Database records.
31Distinct records
1 of 1Page
1879–1926Years on this page
1879
1889
Succession
Succeeds as Crown Prince
Role range: 1912-1926
1912
Constitution of Japan
Appoints an executive Prime Minister & a 10 man cabinet
Role range: 1912-1926
Head of State
Appointed Head of State
Role range: 1912-1926
Succession
Succeeds as Emperor of Japan
Role range: 1912-1926
1914
Diplomatic Ultimatum at Tsingtau
Japanese Government send ultimatum to Germany demanding evacuation of Tsingtau
Role range: 1914-1918 – 1912-1926
Rule of Tsingtau
Japanese Government send ultimatum to Germany demanding evacuation of Tsingtau
Role range: 1914-1918 – 1912-1926
Break in Diplomatic Relations with Japan
Japan declares war on Germany. Germany severs diplomatic relations with Japan
Role range: 1914-1918 – 1912-1926
Declaration of War
Japan uses its alliance with Britain to declare war on Germany. Japan declares war on Germany
Role range: 1914-1918 – 1912-1926
Break in Diplomatic Relations with Japan
Austria-Hungary severs diplomatic relations with Japan
Role range: 1914-1918 – 1912-1926
Break in Diplomatic Relations with Austria-Hungar
Japan severs diplomatic relations with Austria-Hungar. Japan declares "State of War" with Austria-Hungary
Role range: 1914-1918 – 1912-1926
Declaration of War
Japan declares "State of War" with Austria-Hungary. Austria is at war with Japan
Role range: 1914-1918 – 1912-1926
Invasion of Tsingtau
Japanese forces land in Shantung to attack Tsingtau
Role range: 1914-1918 – 1912-1926
Invasion of Tsingtau
British force joins Japanese army before Tsingtau
Role range: 1914-1918 – 1912-1926
Capture of Yap Island
Japanese naval forces occupy Yap Island
Role range: 1914-1918 – 1912-1926
Sinking of Takachiho
Japanese light cruiser "Takachiho" sunk by German destroyer off Tsingtau
Role range: 1914-1918 – 1912-1926
Capture of Tsingtao
The German colony of Tsingtao in China surrenders to the Japanese
Role range: 1914-1918 – 1912-1926
Capture of Tsingtau
Tsingtau capitulates to Japanese forces
Role range: 1914-1918 – 1912-1926
Japanese Cabinet decide against despatch of troops or warships to Europe
Japanese Cabinet decide against despatch of troops or warships to Europe
Role range: 1914-1918 – 1912-1926
Alliance Taisho and Allies
Japan joins the Allies
Role range: 1914-1918 – 1912-1926
Capture of Qingdao
Japan captures the German concession of Qingdao in China
Role range: 1914-1918 – 1912-1926
Capture of Tsingtao
Japan captures the German base at Tsingtao in China
Role range: 1914-1918 – 1912-1926
1915
Peace
China accepts Japans "Twenty One Demands"
Role range: 1914-1918 – 1912-1926
1916
Resignation of Okuma
Okumas resignation brings in the expansionist General Masatake as Prime Minister
Role range: 1912-1926
1918
Demonstrations
Suppresses civil disobedience & labour movements
Role range: 1912-1926
Invasion of Russia
Japan attempts to gain a military foothold in Siberia
Role range: 1912-1926
Demonstrations
Suppresses civil disobedience & labour movements. Authorizes more than 10,000 arrests & some executions
Role range: 1912-1926
1919
Rebellion of Rebels in Korea is suppressed
An insurrection in Korea is suppressed
Role range: 1912-1926
Rebellion of Rebels in Korea is suppressed
An insurrection in Korea is suppressed
Role range: 1912-1926
1921
Succession
Succession of Hirohito as regent due to Taishos poor mental health
Role range: 1912-1926
1926
Death of Taisho
Dies age 47, his son was acting as Regent for 5 years during his illness
Role range: 1912-1926
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.