Bundesliga, the second tier of the German football league system.
It was the last season in which the league consisted of West German clubs only.
From 1991–92 onwards clubs from the former East Germany joined the league.
FC Schalke 04, MSV Duisburg and Stuttgarter Kickers were promoted to the Bundesliga while Rot-Weiss Essen, Preußen Münster, TSV Havelse and FC Schweinfurt 05 were relegated to the Oberliga.
For the 1990–91 season VfB Oldenburg, TSV Havelse, 1.