05.11.1944
foundation as Septemvri Sofia (merger of SK Sofia, Sokol Sofia and Akoah Sofia)
26.03.1945
integration of Botev Sofia, Ustrem Sofia, Pobeda Sofia and Svoboda Sofia
__.05.1948
merger with CDV and renaming to Septemvri pri CDV
__.__.1952
new foundation as Dobrovolite Sportni Organizatsia Septemvri Sofia
__.__.1969
merger with CSKA Sofia to create CSKA Septemvriisko Zname
__.06.1988
new foundation as Futbolen Klub Septemvri Sofia