A New York City mounted policeman outside Madison Square Garden at 50th Street and 8th Avenue during a pro-Nazi rally is shown attempting to take an American flag away from one of the demonstrators on Feb. 20, 1939. (AP Photo)
A New York City mounted policeman outside Madison Square Garden at 50th Street and 8th Avenue during a pro-Nazi rally is shown attempting to take an American flag away from one of the demonstrators on Feb. 20, 1939. (AP Photo)
