sentences:  After World War I, fall of Austria-Hungary, Polish–Czechoslovak War and the division of Cieszyn Silesia in 1920, it became a part of Czechoslovakia.Following the Munich Agreement, in October 1938 together with the Zaolzie region it was annexed by Poland, administratively adjoined to Cieszyn County of Silesian Voivodeship.It was then annexed by Nazi Germany at the beginning of World War II.