Union Berlin

1. FC Union Berlin was founded on 20 January 1966 in the East Berlin district of Koepenick, its lineage running back to FC Olympia Oberschoeneweide of 1906. In the GDR it won the FDGB-Pokal in 1968 and carried a reputation as an unofficially oppositional club. Union reached the Bundesliga for the first time in 2019 and qualified for the Champions League in 2023; it has played at the Alte Foersterei since the ground opened in 1920.