Some of The Most Important Battles In History By gloria15 Jul 3, 1863 Battle of Gettysburg http://www.history.com/topics/american-civil-war/battle-of-gettysburg Jun 25, 1876 The Battle of Little Bighorn http://www.history.com/topics/native-american-history/battle-of-the-little-bighorn Sep 15, 1940 Battle Of Britain http://www.history.co.uk/study-topics/history-of-ww2/battle-of-britain Jun 22, 1941 Invasion of the Soviet Union http://www.ushmm.org/wlc/en/article.php?ModuleId=10005164 Dec 7, 1941 Pearl Harbor http://www.history.com/topics/world-war-ii/pearl-harbor Jul 17, 1943 Battle of Stalingrad http://www.history.com/topics/world-war-ii/battle-of-stalingrad