First gay wedding day in N.Y.

Sixty-year-old financial manager Douglas Robinson (right), and graphic designer Michael Elsasser exchange wedding rings during their marriage ceremony at the Manhattan City Clerk's office, July 24, 2011 in New York City.

Elsasser told CBS News the two have been together for 25 years and have raised two sons since toddler age - now in their 20s, they served as best men.

Credit: Shannon Stapleton - Pool/Getty Images