Prohibition took effect with the passing of the Volstead Act, Ivan the Terrible became the first Tsar of Russia, Adolf Hitler retreated to his bunker in Berlin, and the Shah of Iran fled Iran in This Day in History video. The date is January 16. Hitler later committed suicide in his bunker.
The story of how America’s battle to control the seas against the terrifying German U-boats in the Atlantic and Japan’s fearsome Navy in the Pacific ultimately turns the tide of the war. See more in this clip from Season 1, Episode 5, "The War at Sea."