__.__.1919
foundation as Sportclub Union 06 Oberschöneheide Abteilung Fürstenwalde
__.__.1927
renaming to Sportclub Union Fürstenwalde 1919
__.__.1933
merger with FC Wacker 1923 Fürstenwalde and renaming to Fußballclub 1919 Fürstenwalde
__.__.1945
dissolution after World War II
__.__.1946
new foundation as FDJ-Sportgemeinschaft Fürstenwalde
__.__.1950
renaming to Sportgemeinschaft Union Fürstenwalde
__.__.1958
restructuring to Betriebssportgemeinschaft Empor Fürstenwalde
__.__.1960
merger with BSG Motor Fürstenwalde to TSG Fürstenwalde
__.__.1971
merger with SG Dynamo Frankfurt and SG Dynamo Fürstenwalde/Bad Saarow and renaming to Sportgemeinschaft Dynamo Fürstenwalde
__.__.1990
dissolution of the merger
__.__.1990
new foundation as Sportgemeinschaft Union Fürstenwalde 1919 as part of german reunification
12.6.2002
merger with FSV Wacker Fürstenwalde to Fußballsportverein Union Fürstenwalde