Japan's Historical Events By cykafe Sep 5, 1905 Treaty of Portsmouth Period: Jul 30, 1912 to Dec 25, 1926 Taisho Era Period: Aug 13, 1914 to Nov 11, 1918 Japan joins Allied Forces in WWI Sep 1, 1923 Great Kanto Earthquake Period: Dec 25, 1926 to Jan 7, 1989 Showa Era Feb 20, 1928 All citizen men over 25 get right to vote Nov 25, 1936 Anti-Comintern Pact signed Sep 27, 1940 Tripartite Pact signed Jul 26, 1945 Potsdam Declaration signed Aug 6, 1945 Hiroshima distroyed by atomic bobm Aug 9, 1945 US drops second atomic bomb on Nagasaki Aug 15, 1945 Japan surrenders to Allied forces Period: Aug 15, 1945 to Apr 28, 1952 Japan occupied by Foriegn Power May 3, 1947 New Constituation in effect Aug 1, 1955 Sony Markets Fist Transistor radio Aug 1, 1955 Sony Markets their 1st Transitor Radio Dec 10, 1968 1st Japanese writer Yasunari wins Nobel Prize for Literature Period: Jan 1, 1973 to Dec 31, 1973 Oil Crisis Dec 10, 1974 Prime MInister Sato wins Nobel Peace Prize Jan 7, 1989 Emperor Hirohito Dies (longest Japanese Ruler) Jan 17, 1995 Great HanshimEarthquake hits Kobe