Last night's episode of Mad Men didn't have any major historical news moments overshadowing it, or even serving as a backdrop, as the past few have. This time there were references serving as time markers, from the popularity of Howard Johnson's at the time, to the Cornel Wilde movie The Naked Prey... stop reading now if you don't want to have any close encounters with the basics of the episode.

Previously: The Rolling Stones play Forest Hills, Queens, the Charles Whitman shooting spree in Austin, the Richard Speck murders, and that "thing'"happened in Bed-Stuy.