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.
1949
1977
1973
1998
1999
2008
1931
2004
2014
2013
1943
2000
1956
2009
2019
2017
2002
1988