sentences:  The Capitals played at the Capital Centre from their inaugural season in 1974 to 1997, when they moved to the MCI Center, now known as the Capital One Arena.In 44 completed seasons, the Capitals have qualified for the Stanley Cup playoffs 29 times, making two Stanley Cup Finals appearances during the 1997–98 and 2017–18 seasons, winning the latter.The Capitals were founded in 1974 as an expansion team in the Prince of Wales Conference.