Pearl Harbor (Hawaii), Attack on, 1941 25 World War, 1939-1945 25 History 10 Campaigns 9 Foreign relations 7 Causes 6 Harbors 4 Intelligence service 3 Juvenile literature 3 Naval operations 3 Pacific Area 3 United States 3 Allied occupation 2 Commerce 2 Crytography 2 Hawaii 2 History, Military 2 Management 2 Naval operations, Japanese 2 Pearl Harbor, Attack on, 1941 2 Personal narratives, American 2 Pictiorial works 2 September 11 Terrorist Attacks, 2001 2 Strategic culture 2 World War 2 20th century 1 Admirals 1 Aerial operations 1 Aerial operations, Japanese 1 Air pilots, Military 1