The szlachta were the hereditary noble estate in the Kingdom of Poland, the Grand Duchy of Lithuania, and the Polish–Lithuanian Commonwealth. It was the dominating social class in the Kingdom of Poland and the Commonwealth, which was exercising political rights and power. Polish noble class differed substantially from the feudal nobility of Western Europe. The estate was officially abolished in 1921 by the March Constitution.
- Country
- Crown of the Kingdom of Poland, Grand Duchy of Lithuania, Polish–Lithuanian Commonwealth, Second Polish Republic
