Category
page 11930s mass murders in the United States
1933 United Airlines Boeing 247 mid-air explosion
air disaster
Kansas City massacre
June 1933 shootout in Kansas City, Missouri, USA
Harry Powers
Dutch-born American serial killer (1892-1932)
Ponce massacre
1937 police shooting in Puerto Rico
Memorial Day massacre of 1937
Chicago Police Department shot and killed ten unarmed demonstrators in Chicago