1900-2000 for Social Studies By Alicen Dec 17, 1903 Wright Brothers airplane takes off Jun 28, 1914 Start of WWI: Assassination of Franz Ferdinand May 7, 1915 German U-boat sank a ship with American civilians on it Nov 11, 1918 Germany signed official agreement to end WWI Aug 18, 1920 19th Amendment passed for women's suffrage Sep 1, 1939 WWII starts when Hitler invades Poland Dec 7, 1941 Pearl Harbor Bombed May 8, 1945 Germany signed official surrender Jul 26, 1948 Executive Order 9981 to end segregation in military May 17, 1954 Brown v. Board of Education 1955 Polio vaccine invented by Jonas Salk Dec 1, 1955 Rosa Parks and Montgomery Bus Boycott Jul 2, 1964 Civil Rights Act of 1964 Apr 3, 1973 Cellphone mass produced Jan 1, 1983 Internet invented
