The new pledge class of the Oklahoma Colony at OU, posing on stairs with the Theta Chi flag.

The Oklahoma Colony of Theta Chi Fraternity was officially colonized on Friday, Oct. 23, 2026, at 6 p.m. CDT at the University of Oklahoma in the Memorial Union’s Beaird Lounge—OU’s “living room”—by 17 young men from across the country and around the world.