Diet
Appointed Member of Diet
Role range: 1908-1915 – 1915-1937
Historical biography archive · Updated 2026-11-03
Ichiro Hatoyama Biography and Timeline
Follow Ichiro Hatoyama through 11 dated historical records for Japan.
Ichiro Hatoyama, historical timeline
A chronological timeline drawn from matching World History Database records.
11Distinct records
1 of 1Page
1915–1956Years on this page
1915
1931
Minister of Education
Appointed Minister of Education
1946
Hatoyama
Banned from holding office by the Americans
Reform of Political Parties
Helps reform the Liberal Party
1951
DP
Helps found the Democratic Party
1952
Diet
Appointed Member of Diet
Role range: 1952-1959
1954
Prime Minister of Japan
Appointed Prime Minister of Japan, 1st term
Role range: 1954-1956
1955
President of Japan
Appointed President of Japan, 2nd term
Role range: 1954-1956 – 1955-1959
Liberal-Dem Party
The Liberal Party & the Japan Democratic Party form the Liberal-Democratic Party
Role range: 1954-1956 – 1954-1956
Prime Minister of Japan
Appointed Prime Minister of Japan, 3rd term
Role range: 1954-1956 – 1954-1956
1956
Resignation of Ichiro Hatoyama
Resigns as Prime Minister
Role range: 1954-1956 – 1954-1956
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.