Kalisz Voivodeship
"Kalisz Voivodeship made eastern half of Greater Poland proper (...) In the testament of Bolesław III Krzywousty, the Land of Kalisz, as part of Greater Poland, was granted to Duke Mieszko III the Old. His two grandsons, Przemysł I of Greater Poland and Bolesław the Pious divided Greater Poland in 1247. Przemyslaw, the older brother, controlled Gniezno and Poznań, while Boleslaw ruled Kalisz (...) In the late 14th century, the Duchy of Kalisz was seized by Wladyslaw Lokietek, returning to the Crown of the Kingdom of Poland as newly established Kalisz Voivodeship. Its total area was 300 sq. miles, and the largest county was that of Kalisz (...) In the mid-16th century, Kalisz Voivodeship had 411 Roman-Catholic parishes, 88 towns and 1,869 villages. Its coat of arms was Wieniawa.