Duchy of Courland and Semigallia (Poland-Lithuania): All Data

This page is about the data available for this polity, the chronology of the events of the polity is available here.

Was a duchy in the Baltic region, then known as Livonia, that existed from 1561 to 1569 as a nominal vassal state of the Grand Duchy of Lithuania and subsequently made part of the Crown of the Polish Kingdom from 1569 to 1726. In 1795, it was annexed by the Russian Empire in the Third Partition of Poland.