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Categories
- Arts
- Business and Economics
- Civil Rights and Social Change
- Counties, Cities, and Towns
- Education
- Ethnic Groups
- Exploration and Archaeology
- Folklore and Folklife
- Government and Politics
- Historic Preservation
- Land and Resources
- Law
- Literature and Authors
- Media
- Military Science
- Overview
- Recreation and Sports
- Religion
- Science and Medicine
- Transportation
- …and April Fools' Day
Time Period
- Pre-European Exploration (Prehistory – 1540)
- European Exploration and Settlement (1541 – 1802)
- Louisiana Purchase through Early Statehood (1803 – 1860)
- Civil War through Reconstruction (1861 – 1874)
- Post-Reconstruction through the Gilded Age (1875 – 1900)
- Early Twentieth Century (1901 – 1940)
- World War II through the Faubus Era (1941 – 1967)
- Divergent Prosperity and the Arc of Reform (1968–2022)
- Divergent Prosperity and the Arc of Reform (1968-2022)
- Does not Apply
- Modern Era (2023 – the Present)