See William, Catherine, George, Charlotte and Louis out and about
In ceremonies throughout the country, people gathered to remember a day that changed history on a December morning 70 years ago.
Dec. 7, 2011 In Pearl Harbor, Hawaii, a U.S. Marine firing detail prepares for a service commemorating the 70th anniversary of the attack on the U.S. naval base there. More than 2,400 Americans were killed and hundreds were wounded on Dec. 7, 1941. Dozens of Navy vessels were sunk or destroyed. Kent Nishimura/Getty Images