Diet sessions: 77th (regular session opened on December 27, 1975, to May 24), 78th (extraordinary, September 16 to November 4), 79th (extraordinary, December 24 to December 28), 80th (regular, December 30 to June 9, 1977)
June 26 – Muhammad Ali vs. Antonio Inoki was a controversial spectacle fight, held in Tokyo, between the boxing heavyweight champion, Ali, and Japanese professional wrestling champion, Inoki.
September 12 – Typhoon Fran, according to Fire and Management Disaster Agency of Japan confirmed report, 171 person were lost to lives, 537 were injures.[4]
October 29 – A massive fire in Sakata, Yamagata Prefecture, according to Fire and Management Disaster Agency confirmed report, a person lives, 1,003 person injures, 1,774 house and building with 22.5 hectare (55.26 acre) were lost.[5]