Conversation so far:
when is the last time unc won the acc tournament
The last time UNC won the ACC Men's Basketball Tournament was in 2016.
which college does unc represent
The North Carolina Tar Heels men's basketball program is the intercollegiate men's basketball team of the University of North Carolina at Chapel Hill.
when was the university of north carolina at chapel hill founded
After being chartered in 1789, the University of North Carolina at Chapel Hill first began enrolling students in 1795.
what is the mascot of the university of north carolina at chapel hill
The mascot of University of North Carolina at Chapel Hill is a live Dorset ram named Rameses.

Question: when did the ram become the mascot
Self-contained rewrite: when did the ram become the mascot of the university of north carolina at chapel hill