Diplomatic Negotiations at London
Proposes naval equality with Britain & the USA. Negotiations begin to change the Washington & London naval treaties
Historical biography archive · Updated 2026-11-03
Isoruku Yamamoto Biography and Timeline
Follow Isoruku Yamamoto through 5 dated historical records for Japan.
Isoruku Yamamoto, historical timeline
A chronological timeline drawn from matching World History Database records.
5Distinct records
1 of 1Page
1934–1943Years on this page
1934
International Conference at London
The naval conference between Japan, Britain & the USA breaks down. Japan abrogates its naval treaties
1941
Bombing of Pearl Harbour
Plans the attack, argues Japan can only win a quick war
Role range: 1939-1945
1943
Assassination of Isoruku Yamamoto
The US decodes inspection details of Yamamoto & intercepts his plane
Role range: 1939-1945
Death of Isoruku Yamamoto
Death of Isoruku Yamamoto, killed by the Americans
Role range: 1939-1945
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.