 The city is home to a number of art organizations including the regional art advocacy nonprofit Philadelphia Tri-State Artists Equity, the Philadelphia Sketch Club, one of the country's oldest artists' clubs, and The Plastic Club, started by women excluded from the Sketch Club.Many Old City art galleries stay open late on the First Friday event of each month.Annual events include film festivals and parades, the most famous being the Thanksgiving Day Parade and the Mummers Parade on New Year's Day.