Borussia Dortmund is a German football club.
Borussia Dortmund . Borussia Dortmund was founded in 1909 by eighteen football players from Dortmund . Dortmund . Dortmund is home to Ballspielverein Borussia 09 e.V. Dortmund , commonly known as Borussia Dortmund , a successful club in German football .