fields in the area. The city's population in 1875 was 14,156. However, during the late 19th century Gleiwitz had: 14 distilleries, 2 breweries, 5 mills, 7 brick factories, 3 sawmills, a shingle factory, 8 chalk factories and 2 glassworks. Other features of the 19th century industrialized Gleiwitz were a gasworks, a furnace factory, a beer bottling company, and a plant for asphalt and paste. Economically, Gleiwitz opened several banks, Savings and loan associations, and bond centers. Its tram system was completed in 1892, while its theater was opened in 1899; until World War II, Gleiwitz' theatre featured actors from throughout Europe and was one of the most famous theatres in the whole of Germany. Despite Germanisation policies, the Poles established various Polish organizations, including the "Sokół" Polish Gymnastic Society, and published local Polish newspapers. 20th century According to the 1911 Encyclopædia Britannica, Gleiwitz's population in 1905 was 61,324. By 1911, it had two Protestant and four Roman Catholic churches, a synagogue, a mining school, a convent, a hospital, two orphanages, and a barracks. Gleiwitz was the center of the mining industry of Upper Silesia. It possessed a royal foundry, with which were connected machine factories and boiler works. Other industrialized areas of the city had other foundries, meal mills, and factories producing wire, gas pipes, cement, and paper. After the end of World War I, clashes between Poles and Germans occurred during the Polish insurrections in Silesia. Some ethnically Polish inhabitants of Upper Silesia wanted to incorporate the city into the Second Polish Republic, which just regained independence. On 1 May 1919, a Polish rally was held in Gliwice. Seeking a peaceful solution to the conflict, the League of Nations held a plebiscite on 20 March 1921 to determine which country the city should belong to. In Gleiwitz, 32,029 votes (78.7% of given votes) were for remaining in Germany, Poland received 8,558 (21.0%) votes, and 113 (0.3%) votes were declared invalid. The total voter turnout was listed as 97.0%. This prompted another insurrection by Poles. The League of Nations determined that three Silesian cities: Gleiwitz (Gliwice), Hindenburg (Zabrze) and Beuthen (Bytom) would remain in Germany, and the eastern part of Upper Silesia with its main city of Katowice (Kattowitz) would join restored Poland. After delimiting the border in Upper Silesia in 1921, Gliwice found itself in Germany, but near the border with Poland – the nearby Knurów was already in