A historical sovereign state is a state that once existed, but has since been dissolved due to conflict, war, rebellion, annexation, or uprising. This page lists sovereign states, countries, nations, or empires that ceased to exist as political entities sometime after 1453, grouped geographically and by constitutional nature.
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.svg.png "800px-Flag of the Comoros (1975–1978).svg.png (15 KB)")
.svg "Flag of Buganda (1892).svg (43 KB)")
.svg.png "1280px-Flag of the Confederate States of America (1861–1863).svg.png (26 KB)")