75 Years Ago—Mar. 10, 1943: P-47 Thunderbolt fighter planes fly first mission with US Eighth Air Force.
US retakes Sbeïtla, Tunisia.
US Fourteenth Air Force activated under Maj. Gen. Claire Chennault, based in Kunming, China.
German Navy begins using new Enigma code, blinding Allies until March 19, a crucial period in what will become the peak of the Battle of the Atlantic.