What are the origins of the Gay Pride celebration? On the early morning hours of June 28, 1969, police raided the Stonewall Inn, a gay bar in New York's Greenwich Village. Although police raids on gays bars were common, the bar's patronage, as well as more than a hundred spectators who gathered outside the bar, decided enough was enough -- they fought back. It was the first time that queer people stood up to police on such a large scale, and is often cited as the beginning of the modern Gay Rights Movement.
Some others think that gay people were mourning the death of Judy Garland and police and police attacked them for illegal gathering.
With Judy or not, some gay expression are taken from The Wizard of Oz, such as "being a friend of Dorothy" and the song Over the Rainbow which also inspired one of the gay symbols.
The first rainbow flag made its debut at the San Francisco Pride Parade in 1978. Designed by San Francisco artist Gilbert Baker, the original flag was hand-dyed and consisted of eight symbolic colours: Hot Pink (sexuality), Red (life), Orange (healing), Yellow (sunlight), Green (nature), Turqoise (magic/art), Blue (serenity/harmony) and violet (spirit). Pink and Turqoise were dropped later on.
Obama has something to say about the issue of Gay marriage:
http://youtu.be/73oZ_pe1MZ8, so the British do.
This is the performance that Kylie played at Sydney Mardi Gras to celebrate gay pride's events.
Enjoy Gay Pride and be proud of it!