80 Years Ago—Dec. 10, 1941: British enter Tobruk, Libya, relieving 242-day German siege.
First US bombing mission of the war, as B-17s of the 19th Bombardment Group attack Japanese ships off Luzon in the Philippines.
Off Malaya, Japanese G3M bombers sink British battleship HMS Prince of Wales and battlecruiser HMS Repulse—the first time in history that battleships in open sea are sunk by aircraft.
Japanese take Guam, Makin, and Tarawa.