1978 February 16 [[University Of Iowa Daily Iowan, March 3, 1980|1980 March 3] 1981 February 12 1981 November 4 1981 December 10 1982 July 7 1982 July 30 1983 February 10 1983 September 6 1985 December 4 1986 March 31 1989 March 15 1993 February 2 1998 October 27 2002 May 15 2007 September 17 2007 October 24