 Complete the following phrase:  Busk was granted town charter in 1411 by Siemowit IV, Duke of Masovia. In the PolishLithuanian Commonwealth, it belonged to the Belz Voivodeship, and was the seat of a separate administrative unit, the Land of Busk. The town remained part of Poland until the first partition of Poland 1772, when it was seized by the Habsburg Empire, and remained in Austrian Galicia until late 1918. In the interwar period, Busk belonged to Kamionka Buska County, Tarnopol Voivodeship, until 