On this day in 2004, First Same Sex Marriage was performed at Cambridge City Hall in Massachusetts, between Marcia Kadish, 56, and Tanya McCloskey, 52, of Malden, Massachusetts, making them the first legally married same-sex partners in the United States.

In 1792, The New York Stock Exchange was established at 70 Wall Street by 24 brokers signing the Buttonwood Agreement.

In 1875, The first Kentucky Derby was held at Churchill Downs, in Louisville, Kentucky.

In 1956, The first synthetic mica (synthamica) was offered for sale in Caldwell Township, NJ.

In 1997, Rebel leader Kabila declared himself president of the Democratic Republic of the Congo, formerly Zaire.

In 2007, Trains crossed the border dividing North and South Korea for the first time since 1953.