January 1975:
February 1975:
March 1975:
April 1975:
May 1975:
June 1975:
July 1975:
August 1975:
September 1975:
January – December 1975
January 1975:
February 1975:
March 1975:
April 1975:
May 1975:
June 1975:
July 1975:
August 1975:
September 1975: