Today in World War II History—July 21, 1944
Sunday, July 21, 2019 by Sarah Sundin

US officers plant flag eight minutes after troops begin landing on Guam, 21 July 1944 (US National Archives)
75 Years Ago—July 21, 1944: US Army and Marines invade Japanese-held Guam with heavy opposition.
Many of the July 20 Operation Valkyrie conspirators who attempted a coup are arrested, and Col. Count Claus von Stauffenberg, who attempted to assassinate Hitler, is executed.