"Centennial is a 12-episode American television miniseries that aired on NBC from October 1978 to February 1979. The miniseries follows the history of Centennial, Colorado, from 1795 to the 1970s. It was based on the 1974 novel of the same name by James A. Michener, was produced by John Wilder.

It was one of the longest and most ambitious television projects ever attempted at the time" Source Wikipedia SOLD 08/16/2022