Also in 1943

• 1 of November - World War II: In support of the landings on Bougainville, U.S. aircraft carrier forces attack the huge Japanese base at Rabaul.
• 17 of January - World War II: Greek submarine Papanikolis captures the 200-ton sailing vessel Agios Stefanos and mans her with part of her crew.
• 19 of November - Holocaust: Nazis liquidate Janowska concentration camp in Lemberg (Lviv), western Ukraine, murdering at least 6,000 Jews after a failed uprising and mass escape attempt.