New York’s mounted police form a solid line outside Madison Square Garden on Feb. 20, 1939, to hold in a crowd that had packed the streets around the venue where the fascist German American Bund was holding a rally.

New York's mounted police form a solid line outside Madison Square Garden on Feb. 20, 1939, to hold in a crowd that had packed the streets around the venue where the fascist German American Bund was holding a rally.

New York’s mounted police form a solid line outside Madison Square Garden on Feb. 20, 1939, to hold in a crowd that had packed the streets around the venue where the fascist German American Bund was holding a rally.

New York’s mounted police form a solid line outside Madison Square Garden on Feb. 20, 1939, to hold in a crowd that had packed the streets around the venue where the fascist German American Bund was holding a rally