When did homosexuality stop being classified as a mental disorder?

Indeed. You’re right. Given our limited knowledge of the subject matter, hereinafter we will refer to this phenomenon as ‘swamp gas’, shall we? :wink:

It took until 1993 for the Republic of Ireland to decriminalise.

It took the US until 2003.

It was a state by state process until 2003. Illnois for example decriminalized gay sex in 1961 when it adopted a new penal code. And it’s still illegal if you’re in the military.