ten significant events to ww2 By imapl1 Period: Jan 1, 1938 to Dec 31, 1946 WW2 Sep 1, 1939 invasion of poland europe 1 Sep 3, 1939 France and Brittain declare war on Germany europe 2 May 10, 1940 Germany takes over many european countries using blitzkrieg europe 4 Jul 10, 1940 germany launches air attack on brittan europe 5 Dec 7, 1941 japanese attack us navy, in pearl habour pacific 1 Jun 4, 1942 Us navy deafeats japans navy pacific 2 Jun 6, 1944 dday normady invasion pacific 3 Feb 19, 1945 USA successfully invade iwo jima pacific 3 Feb 19, 1945 Adolf hitler commits suicide europe 5 Aug 6, 1945 america drops 1st atomic bomb on japan pacific 4 Sep 2, 1945 japan surrenders europe 5