DemographyHistorical Maps Animated history of US county boundaries May 15, 2015 Alex Thirty-second animation of the changes in United States historical county boundaries (1629 – 2000). Historical state and territorial boundaries are also displayed from 1783 to 2000. Related Posts:The most viral video in each U.S. stateCountries at its territorial peakThe Oldest Cities in the U.S. MappedThe atlas of the United States in the style of Joy DivisionAll Airports Around the World MappedThe Rise and Fall of Civilizations: An Animated Map…Map showing countries which since independence have…The Best World Atlases in 2025