Michigan Stadium was built in 1927 and has a current seating capacity of 106,200
It's interesting that both of their opening games were played against my Alma Mater-Ohio Wesleyan University (OWU lost both games).
at Ohio Stadium: 105,70811/11/2006, Michigan. OSU won this game 42-39 when OSU was ranked number 1 and Michigan 2 in the country.
at Michigan Stadium 112,118Ohio State, 11/22/2003.Michigan won this game 35-21. It is Jim Tressel's only loss against Michigan since coming to Ohio State in 2001.