1970: September 21st – Monday Night Football debuts on ABC television. The Cleveland Browns defeat the New York Jets by a score of 31-21 in front of more than 85,000 fans at Cleveland Stadium.
Believe it or not, if you're so inclined, you can watch the entire game here!!!
https://www.youtube.com/watch?v=0zPj6lFuzL4
Yowsah!!!