__.__.1909
foundation as Fußballclub 09 Bergisch-Gladbach
__.__.1909
integration of FC Montania Bergisch-Gladbach
22.01.1919
merger with TSV Zanders Bergisch Gladbach and renaming to Sportverein Bergisch Gladbach 09
__.__.1936
integration of VfL Gronau
__.__.1945
forced dissolution after World War II
__.__.1945
new foundation as Sportverein Bergisch Gladbach 09
__.__.1973
merger with SSG Bergisch-Gladbach and renaming to SSG 09 Bergisch Gladbach
__.__.2007
renaming to Bergisch 09 Gladbach
__.04.2008
renaming to Sportverein Bergisch Gladbach 09