Animap Plus
This software program by Gold Bug Software shows all of the U.S. state and county boundary changes for each year since colonial times. A free demo is available at the Web site. Boundaries of the Contiguous United States
This animation shows the evolution of state boundaries in the United States from the original 13 colonies to the addition of the 50th state.
Boundary Changes of Poland
A map depicting the most important boundary changes in Poland since 1815. Centennia
This software program maps 10 centuries (1000-1993) of European and Middle Eastern border changes with over 7,000 maps. Getting to Know Your Ancestor's Neighborhood
Juliana Smith discusses how to learn more about the area in which your ancestors lived and to determine what records are available for that particular area. Great Britain Historical GIS
Search the Historical Geographical Information System (GIS) for Great Britain for accurate boundary data for the changing administrative areas of Britain covering the period from the late 1830s until the early 1970s. Historical US County Lines
Links to information on changing county boundaries for each U.S. state. Historic Maps
Many of the historic maps available on the Internet can help you to determine the geographic boundaries of an area at the time your ancestor lived there. Map Guide to the U.S. Federal Census, 1790 - 1920
This book shows in map form the names and actual boundaries of every county in every state for each decade from 1790 or the state's formation to 1920. Compare Prices... Mapping Canada - A Historical Perspective
Explore the geographic history of Canada from 1700 to the present. Select a time period and watch the map of the country transform. Select the highlighted text to learn more about the history of Canada for that time period. US Territorial Maps 1775-1920
Provides an overview and thirteen territorial maps of the United States.
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