Borussia Dortmund inflicted Bayern Munich's first defeat of the season following their 1-0 home win in the standout fixture in the German Bundesliga on Saturday night.
The only goal of the game was scored by current African Player of the Year, Pierre-Emerick Aubameyang in the 11th minute.
The Gabonese international has now scored 12 league goals.
The win lifts Dortmund to third in the league table on 21 points.
Bayern Munich drop to second on 24 points and three points adrift of leaders newly promoted Leipzig.