Sixties

• sixties

Sixties pl (plural only)

1. The decade of the 1860s, 1960s, etc. (but especially the 1960s)
   • 1981, Channels of Communications‎, page 22:

     Occasionally this was a direct result of network attitudes — as in the fifties with integration, the sixties with Vietnam, or the seventies with Watergate.

   • 2016, Oliver Gruner, Screening the Sixties‎, →ISBN, page 179:

     Both Burnham and the president were middle-aged baby boomers with an investment in their Sixties youth […]

   • 2017

     When asked what the Sixties were all about, most people reply: peace, love, happiness.

   • 2019

     Counterculture expert James Riley delves into the darkness of the Sixties to sort fact from psychedelic fiction.

2. (US) A period in American history centered around the counterculture movement of the late 1960s.
   • 1999, Andrew E. Hunt, “Introduction”, in The Turning: A History of Vietnam Veterans Against the War‎, →ISBN, page 1:

     The 1960s and the first half of the 1970s—an era known as "the sixties" to most observers—has perhaps generated more mythology than any other period in American history.

   • 2011, Rob Kirkpatrick, 1969: The Year Everything Changed‎, page xvii:

     But the sixties no more ended in 1969 than they began in 1960.

   • 2013, James J. Farrell, The Spirit of the Sixties‎, page 17:

     It is relatively easy to choose some event (Kent State, Altamont, Watergate, and the fall of Saigon are favorites) as the end of the Sixties […]

• 1960s, '60s, 60s