History 30 Sources 6 Foreign relations 5 International relations 4 World War, 1939-1945 4 Diplomatic relations 3 Paleoseismology 3 more ... Politics and government 3 Subduction zones 3 Tsunamis 3 Atomic bomb 2 Causes 2 Consuls 2 Contracts 2 Diplomatic history 2 Education 2 Holocene Geologic Period 2 Intellectual life 2 Manners and customs 2 Mythology, Japanese 2 Pearl Harbor (Hawaii), Attack on, 1941 2 Relations 2 Shinto 2 Social life and customs 2 Villages 2 Visitors, Foreign 2 Art, Japanese 1 Atombombe 1 Atomkrieg 1 Atomwaffe 1 less ...