1800. U-Spatial. Political national boundaries as they were in the year 1800. Sources: Wilkinson, Robert. (January 1, 1800). Africa including the Mediterranean. ...
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1800. U-Spatial. Historical National Boundaries displays global national boundaries for the following dates in history: 1800, 1914, 1918, 1939, 1945, 1970, 1990, 20...
1914. U-Spatial. Political national boundaries as they were in 1914. Sources: The Rand McNally New Library Atlas of North America. (1914). Rand McNally & Company....
1918. U-Spatial. Political national boundaries as they were in 1918. Source: Rand McNally & Company’s New Atlas of the World. (1918). Rand McNally & Company, Chicag...
1939. U-Spatial. Political national boundaries as they were in 1939. Sources: Rand McNally Popular Maps. (1939). Rand McNally & Company acquired April 14, 2016 fro...
1945. U-Spatial. Political national boundaries as they were in 1945. Sources: The World Mercator’s Projection. (1944). Army Map Service, Washington, D.C. Invasion ...
1970. U-Spatial. Political national boundaries as they were in 1970. Source: 1971 Commercial Atlas & Marketing Guide, 102nd Edition. (1971). Rand McNally & Company,...
1990. U-Spatial. Political national boundaries as they were in 1990. Source: Hammond World Map. (1992). Hammond Incorporated.
2000. U-Spatial. Political national boundaries as they were in 2000. Source: United States Central Intelligence Agency. (2000). Library of Congress. Retrieved May 3...
10. Major Empires
0. U-Spatial. Greatest extents of the British, Mongol, and Roman Empires during their territorial peaks. The spatial extent of each empire represents the territo...