Before Hitler rose to power in 1933, Berlin was a hub of gay life, in the midst of which one of the world's first homosexual liberation movements slowly gained momentum.
That would end with gay people swept up in the Holocaust. But even when that was over and the community had ground to a halt, which would take decades to recover from, gay men faced long prison sentences and persecution.
The crackdown started slowly, but the Night of the Long Knives - which saw Hitler's openly gay friend and leader of the Sturmabteilung (SA), Ernst Röhm murdered, just like at least 100 of his men - the situation changed in a heartbeat.