Silesian Chess Congress ended in 1939.
American Chess Congress was created in 1857.
Hastings International Chess Congress was created in 1920.
Silesian Philharmonic was created in 1945.
Silesian Theatre was created in 1907.
Silesian Wikipedia was created in 2008.
Silesian Air was created in 2001.
Silesian Museum was created in 1929.
Silesian Stadium was created in 1956.
Silesian Socialist Party was created in 1928.
Lower Silesian Voivodeship was created in 1999.
Silesian-American Corporation was created in 1926.