en.wikipedia.org
en.wikipedia.org
nationsonline.org
en.wikipedia.org
en.wikipedia.org
en.wikipedia.org
https://en.wikipedia.org › wiki › History_by_country
thoughtco.com
worldpopulationreview.com
worldpopulationreview.com
https://worldpopulationreview.com › country-rankings › countries-that-no-longer-exist
acearchive.org
acearchive.org
https://acearchive.org › list-of-former-sovereign-states
history.state.gov
history.state.gov
https://history.state.gov › countries › all
simple.wikipedia.org
simple.wikipedia.org
https://simple.wikipedia.org › wiki › Category:Former_countries
thecollector.com
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