The strange history of the now abandoned American 1993-bill, «Don't ask, don't tell» where sexual orientation was a "non-talk" policy in the American forces, leading to 13.368 getting kicked out before 2011.
1991
2007
1981
1976
1978
1958
1972
1938
1966
1995
1979
1998
1990
1989
2006
2012
1965
1951
1977