None. Homosexuality did not originate anywhere, it's simply part of how people and many animals are and always has been.
Homosexuality existed before civilization.
The term homosexuality originated in Germany in 1869 in a pamphlet that was distributed in efforts to repeal the German sodomy law.
In which country did the Bellini originate?
what country did the zero symbol originate from?
They originate from Germany.
Spaghetti originate from Italy
It depends on what country you are talking about, but in most of Europe, Australia/NZ and the Americas, homosexuality is recognized as a natural sexual orientation.
Germany
Banan Peze originate from Haiti
The country of Canada!
The country of Ireland!
It may originate from Italy, France or Spain.