Original sentence: First Silesian Uprising: August 16 - August 29, 1919.Second Silesian Uprising: August 19 - August 25, 1920.The First Silesian Uprising (Polish: Pierwsze powstanie śląskie) was the first out of three insurrections of the Polish people in the Upper Silesia region against the occupying German / Prussian forces.The First Silesian Uprising occurred from August 16 to August 26 of 1919.The object of the uprising was to liberate the region and become a part of Poland, which regained its independence after the World War I (1914-1918).Third Silesian Uprising: May 2 - July 5, 1921
Edited sentence: First Silesian Uprising: 16 August-26 August 1919.Second Silesian Uprising: 19 August-25 August 1920.The First Silesian Uprising (Polish: Pierwsze powstanie śląskie) was the first out of three military insurections of the Polish people in the Upper Silesia region against the occupying German/Prussian forces in order to liberate the region and join to Poland, that regained her independence after the World War I (1914-1918).The First Silesian Uprising occurred in 16 August-26 August 1919.Third Silesian Uprising: 2 May-5 July 1921