This episode takes place in January 1969.
Bracken's World (1969), the pilot for which Megan gets a callback, was a real television show which debuted in 1969, and Tom Selleck appeared in several episodes.
Final season premiere. For promotional reasons AMC decided to split season 7 in two parts. The first half contained seven episodes and was titled "The Beginning." After a several month long break, the season resumed with the second half, titled "The End of an Era."
Although credited, January Jones (Betty Francis), Rich Sommer (Harry Crane), Kiernan Shipka (Sally Draper), Christopher Stanley (Henry Francis), Mason Cotton (Bobby Draper) & Robert Morse (Bertram Cooper) do not appear in this episode.