January 22 1987
1980
1982
June 23 1986
January 1 1980
December 1 1981
August – September 1988;April 27 1989
1980s
1984
1986
May 23 1980
1970 – 1980
June 3 1980
July 8 1980
1982;1985
January 1 1985;1985
October 28 1983;1983;1983
September 25 1985;1981
1986;1986
October 5 1984;1984
October 4 1988;1988
January 1986
1987
1985