Duchy of Courland and Semigallia
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The Duchy of Courland and Semigallia was a duchy in the Baltic region, then known as Livonia, that existed from 1561 to 1569 as a nominally vassal state of the Grand Duchy of Lithuania and subsequently ... Wikipedia
Founded: November 28, 1561
Area: 10,537 mi²
Currency: Thaler
Capital: Mitau
Government: Monarchy
Demonym(s): Courlander, Couronian, Courish, Courlandish
Today part of: Latvia