Centennial celebrations, etc History 1,076 Anniversaries 435 American Revolution Bicentennial, 1976 89 Anniversaires 87 Church history 84 Law and legislation 83 more ... Anniversaries, etc 82 Histoire 56 Discovery and exploration 50 Sermons, American 46 Commemorative coins 44 Constitutional history 41 United States Constitution Bicentennial, 1987-1991 41 Buildings, structures, etc 37 Politics and government 36 Description and travel 33 Civilization 29 Speeches, addresses, etc., American 29 World War, 1914-1918 29 Capital and capitol 28 Exhibitions 28 Historiography 27 Spanish 27 Influence 26 Monuments 26 Methodist Church 23 Collective memory 22 Social life and customs 22 Bicentenaire de la révolution américaine, 1976 19 less ...