20th Centurey Time Line By Gavin Clifton Period: Jan 1, 1910 to Dec 31, 1989 Timespan Jul 28, 1914 World War 1 Biginning of the first World War Mar 31, 1917 Buying Virgin island US finnaly desides to buy virgin islands for 25 mill Dec 7, 1941 Japan attacks US at Pearl Harbor Japan drops bombs on parked US ships Jun 6, 1944 D-Day Allied invasion of Normandy