1. Fußball-Club Kaiserslautern e. V., also known as 1. FCK, FCK (German pronunciation: [ɛft͡seːˈkaː] ), FC Kaiserslautern (pronounced [ɛf t͡seː kaɪ̯zɐsˈlaʊ̯tɐn] ), K'lautern or colloquially Lautern (pronounced [ˈlaʊ̯tɐn] ), is a German sports club based in Kaiserslautern, Rhineland-Palatinate. In addition to football, the club also operates in several other sports. On 2 June 1900, Germania 1896 and FG Kaiserslautern merged to create FC 1900. In 1909, the club went on to join FC Palatia (founded in 1901) and FC Bavaria (founded in 1902) to form FV 1900 Kaiserslautern.
https://en.wikipedia.org/wiki/1._FC_Kaiserslautern