Update: Windsor celebrated the historic Supreme Court ruling at the Stonewall Inn in New York's West Village, a bar that was the site of the Stonewall Riots of 1969, considered to be the the most important event leading to the gay liberation movement. The case of United States v. Windsor ultimately led to the overturning of DOMA.
This is the amount New York widower Edith Windsor is suing to get back from estate taxes paid when her partner of more than 40 years died. Currently, widows of federally-recognized marriages don't have to pay taxes on their deceased spouse's estate, whereas same-sex widows pay a 35% tax on anything in excess of the $5-million exemption.
(Image via flickr)