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.
1926
1987
2012
1992
1942
2004
2009
2008
2005
1990
1966
2013
2007
2006
1905
2010
1976