America celebrates its first official day of thanksgiving, "The Nutcracker" debuts, the first "Pink Panther" short premieres, the first nuclear power plant in America goes online, all on this day.
6 / 37
Public domain
1888: Richard Wetherill and his brother in-law, Charlie Mason, discover the ancient Indian ruins of Cliff Palace in Mesa Verde, Colo. The structure, built by the Ancestral Pueblo peoples, is the largest cliff dwelling in North America.