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.
1984
2012
1969
2014
1968
2013
1922
1986
2003
1918
1910
1926
2017
2016
1980
1981