germany By joseavila Mar 9, 1905 robert einstein proposes theory of relativity robert einstein proposes theory of relativity Mar 9, 1918 women over thirty achive right to vote in great britain Mar 9, 1939 britain enters world war II Mar 9, 1941 japan bombs pearl harbor united states enters world war II Mar 9, 1947 india and pakistan gain independence Mar 9, 1963 united states president john f kennedy assassinated