Diet sessions: 72nd (regular session opened on December 1, 1973, to June 3), 73rd (extraordinary, July 24 to July 31), 74th (extraordinary, December 9 to December 25), 75th (regular, December 27 to July 4, 1975)
July 7 to 8 – According to Fire and Disaster Management Agency official confirmed report, a torrential heavy massibie rain, following debris flow and devee collapse hit in eastern Shizuoka Prefecture, 50 persons were human fatalities.[2]
August 30 - A powerful bomb blast occurred in the Marunouchi business area, Tokyo, resulting in 8 confirmed deaths and 376 injuries.[3]
November 9 - A LPG carrier, Juyo Maru 10 collision with Liberian cargo ship Pacific Ares, following caught fire in Tokyo Bay, according to Marine Safety Agency of Japan confirmed official, 33 persons lost their lives.[4]