Today in World War II History

70 Years Ago—December 18, 1939: Battle of Heligoland Bight—Luftwaffe shoots down 12 of 22 RAF Wellingtons.
65 Years Ago—December 18, 1944: In its first mass incendiary raid, U.S. 20th Bomber Command B-29s destroy Japanese-held Hankow, China.