The Silesian Uprisings were a series of three armed conflicts that took place between 1919 and 1921 in the region of Upper Silesia. These uprisings were primarily driven by the desire of the local Polish population to join Poland after World War I, as the region had a significant Polish-speaking community. The uprisings aimed to challenge the control of Germany over Upper Silesia. The first uprising occurred in August 1919, followed by two more in May and August 1921. The conflicts involved both Polish insurgents and German forces, leading to significant violence and casualties. Ultimately, the uprisings contributed to the decision made by the League of Nations to hold a plebiscite in 1921, which resulted in the division of Upper Silesia between Poland and Germany.