Mediterranean: THE TARANTO RAID (Operation Judgement): 21 Swordfish torpedo-biplanes (2 lost) from carrier Illustrious carry out surprise torpedo/bomb attack on Italian Fleet in Taranto naval base. 3 battleships hit – Conte di Cavour sunk, Caio Duilio and new Littorio damaged (night November 11-12). Italian Fleet subsequently leaves Taranto for Naples and Genoa.
Cruisers Ajax, Orion and Sydney destroy Italian convoy in Strait of Otranto; 4 transports sunk (night November 11-12).
Two large formations of fighter-bombers attempt to reach London; a few aircraft drop bombs in three London districts. Ju 87 Stukas make unsuccessful raid on convoy off Kent. 50-strong Italian formation defeated off Suffolk coast by 2 Hawker Hurricane squadrons. British losses, nil; Italian losses, 6.
Short night raid on London (20 aircraft).
RAF night raids on Italian supply ports of Valona and Durazzo (Albania).
USA: First Jeep delivered to US Army.