Historical map images of world boundaries each decade from 1940 – 2000 were downloaded from Wikipedia, vectorized into shapefile format, and attributed with country names.
no links
Files:
blankmap-world-19701.png
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Historical map images of world boundaries each decade from 1940 – 2000 were downloaded from Wikipedia, vectorized into shapefile format, and attributed with country names.
no links
Files:
blankmap-world-19701.png
