March April 1980 October 1979 November 1979 December 1979 January 1980 February 1980 March 1980 April 1980 May 1980 June 1980 July 1980 August 1980 September 1980 October 1980 May Monday Tuesday Wednesday Thursday Friday Saturday Sunday 31 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 1 2 3 4
