Centennial celebrations, etc History 1,116 Anniversaries 474 American Revolution Bicentennial, 1976 97 Anniversaires 97 Anniversaries, etc 89 Church history 85 more ... Law and legislation 83 Histoire 63 Discovery and exploration 50 Constitutional history 48 Sermons, American 46 Commemorative coins 44 Politics and government 42 United States Constitution Bicentennial, 1987-1991 42 Buildings, structures, etc 38 Description and travel 34 World War, 1914-1918 31 Civilization 29 Speeches, addresses, etc., American 29 Capital and capitol 28 Exhibitions 28 Historiography 27 Influence 27 Monuments 27 Spanish 27 Methodist Church 23 Social life and customs 23 Collective memory 22 Bicentenaire de la révolution américaine, 1976 21 less ...