Lusatia

Lusatia was a march on the Spree, later called Lower Lusatia. In 1337 Louis V the Brandenburger of the Wittelsbach house held its northern part as a Brandenburg fief from Cottbus.

In 1367 Elector Otto V sold his rights to Emperor Charles IV, who joined all of Lower Lusatia to the Bohemian Crown. The crown land later became Protestant and passed to Saxony under the Peace of Prague in 1635. The Congress of Vienna assigned it to Prussia in 1815.