Q: When was the first Revierderby between Schalke and Dortmund played, and which club won?
A: the first Revierderby between Dortmund and Schalke was played on May 3, 1925, and Schalke won 4:2.
A: the first Revierderby between Dortmund and Schalke was played on May 3, 1925, and Schalke won 4:2.