To mark the occasion, Chronicle blogger Peter Hartlaub dug up some great historical photos of the parade from the paper's morgue. And I found the following YouTube clips of some of the earliest parades, from the 1970s.
Sunday's celebration came right on the heels of a huge victory for the LGBT-rights movement, New York State's passage of a law allowing same-sex marriage. Pretty remarkable to think of the gains made over the years as you watch the earliest activists -- and revelers -- take to the streets...
1975, featuring a lot of feather boas and costumes
1977, featuring a heavy musical dose of Sylvester
1978. Harvey Milk shows up at around :40.
Here's a great 1979 KTVU report, which deals in part with the Milk assassination and its political ramifications in the city.