 They were 44 man upperclass residences, which selectively recruited rising freshman to join them.The Centennials competed in intramurals, had social dues and parties, elected officers and had a similar structure to the Greek fraternities.They proved so popular that construction of six more was started in 1969, being the "Lower Centennials" (Beardslee, Carothers, Palmer, Stevens, Stoughton, and Williams).