Following the Silesian Uprisings of 1918–21 Katowice became part of the Second Polish Republic with some autonomy for the Silesian Parliament as a constituency and the Silesian Voivodeship Council as the executive body).
Logo das Sublevacións silesias (1918-21) Katowice formou parte da Segunda República polaca, cun significativo nível de autonomía (Co Parlamento Silesio coma poder lexislativo e co Consello do Voivodato Silesio coma poder executivo).