The first historical leader of this nation, Mieszko I, founded the Piast dynasty and was baptized in 966.
In this country, the Bar Confederation opposed foreign rulers. The first historical leader of this nation, Mieszko I, founded the Piast dynasty and was baptized in 966. Under the Jagiellon dynasty, this nation helped repel an Ottoman invasion into Europe under John III Sobieski. This country's Sanacja movement deposed Josep Pilsudski. The 1569 Union of Lublin joined this nation with Lithuania. For 10 points, name this country that underwent partitions and was invaded by Hitler in 1939.
In this country, the Bar Confederation opposed foreign rulers.
Poland