Commonwealth of Poland

The Commonwealth of Poland, historically known as the Polish-Lithuanian Commonwealth, was a dual state formed in 1569 that united the Kingdom of Poland and the Grand Duchy of Lithuania. It was notable for its unique political system, which included a strong emphasis on nobility rights and a parliament called the Sejm. The Commonwealth was one of the largest and most populous countries in Europe at its height, known for cultural achievements and religious tolerance. However, it faced challenges from neighboring powers, leading to its partitions in the late 18th century, effectively dissolving it and erasing its sovereignty until the 20th century.