Polity Miecław's State

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Miecław detached Masovia from the Polish state by creating his own country. It existed until 1047, when Casimir I the Restorer, Duke of Poland, reconquered the state into Duchy of Poland.

Establishment

  • January 1038: Miecław was a cup-bearer of king Mieszko II Lambert. In 1038 he broke away from Duchy of Poland during the crisis inside the country.

Chronology

Interactive Chronologies with maps are available in the section Changes Navigation

Disestablishment

  • January 1048: After returning from exile in 1039, Duke Casimir I (1016-1058), properly known as the Restorer, rebuilt the Polish monarchy and the country's territorial integrity through several military campaigns: in 1047, Masovia was taken back from Miecław.