World War II: Navigational error leads to the mistaken bombing of Prague, Czechoslovakia by a United States Army Air Forces squadron of B-17s assisting in the Soviet Red Army's Vistula–Oder Offensive.

Prague, the capital and largest city of the German-occupied Protectorate of Bohemia and Moravia, was bombed several times by the Allies during World War II. The first Allied aircraft to fly over Prague was a single bomber of the French Air Force in April 1940, but it dropped propaganda leaflets,…