Borussia Dortmund, founded on December 19, 1909, is a football club located in Borussia Dortmund, North Rhine Westphalia (North Rhine Westphalia), Germany. It is nicknamed the "Bumblebees" and plays at the Sighnal Iduna Park stadium. The match between Borussia Dortmund, which rose after World War II, and Schalke 04, located in the Ruhr industrial area of North Rhine Westphalia (Ruhr region), was extremely popular due to their close proximity and shared working-class culture, and was known as the "Ruhr derby" or "mining derby"; In recent years, the team has had strong strength in China, and the match against Bayern Munich has also been called the "German national derby" by many fans.