Today in History: April 29, Los Angeles riots after Rodney King verdict

Today in History: April 30, Vietnam War ends

Today in History: May 1, Obama announces killing of Osama bin Laden

Today in History: May 2, Nelson Mandela claims election victory

Today in History: May 3, Oklahoma City struck by historic tornado

Today in History: May 4, four killed during anti-war protest at Kent State University