Founded: 1974 Capacity: 80,645 Record of attendance: 83,000 in 2004. Signal Iduna Park is a world-class stadium. It hosted four matches of the 1974 World Cup and six of the 2006 World Cup. In both events, it reached its maximum capacity for international matches: 54,000 in 1974 and 65,000 in 2006. It has been redeveloped four times, the most significant between 2002 and 2003. Heja BVB, Allez Borussia Dortmund Allez and Ole, Here comes the BVB are a must in the stadium.