Saturday's game at Illinois will be just UNC's 7th game at a Big Ten school since 1970 and only its third in nearly 40 years. Note that games at Rutgers and Maryland played before either was in the Big Ten do not count.
Here are UNC's game at Big Ten schools since 1970:
1971 - @ Illinois, W 27-0
1972 - @ Ohio State, L 14-29
1975 - @ Ohio State, L 7-32
1977 - @ Northwestern, W 41-7
1999 - @ Indiana, W 42-30
2003 - @ Wisconsin, L 27-38
Here are UNC's game at Big Ten schools since 1970:
1971 - @ Illinois, W 27-0
1972 - @ Ohio State, L 14-29
1975 - @ Ohio State, L 7-32
1977 - @ Northwestern, W 41-7
1999 - @ Indiana, W 42-30
2003 - @ Wisconsin, L 27-38