History Indians of North America World War, 1939-1945 Campaigns Frontier and pioneer life Shipwrecks Aircraft accidents Airships Assassination Battles Boston Massacre, 1770 Cherokee Indians Exploration Gold discoveries Iroquois Indians Law and legislation Navajo Indians Naval operations Pearl Harbor (Hawaii), Attack on, 1941 Presidents Pueblo Indians Relocation Segregation Segregation in education Soldiers Space flight Space stations Timucua Indians Trail of tears, 1838-1839 Trials (Witchcraft)