2000 Event Two onboard torpedoes explode on the Russian submarine Kursk in the Barents Sea, which eventually killed all onboard, despite a rescue operation 1943 Event Greatest tank battle in history ends with Russia's defeat of Germany at Kursk, almost 6,000 tanks take part, 2,900 were lost by Germany 1943 Event 7th day of battle at Kursk 1943 Event 6th day of battle at Kursk 1943 Event 5th day of battle at Kursk: Germans occupy Verchopenje 1943 Event 4th day of battle at Kursk: General Model uses last tank reserve 1943 Event 3rd day of battle at Kursk: Germans occupy Dubrova 1943 Event Erich Hartmann shoots 7 Russian aircraft at Kursk 1943 Event 2nd day of battle at Kursk: 25,000 German killed 1943 Event Red Army recaptures Kursk