1964
Martin Luther King Jr. is awarded the Nobel Peace Prize. (By the way, King then nominated Thich Nhat Hạnh for the 1967 Nobel Peace Prize.)
Jean-Paul Sartre wins the Nobel Prize in Literature. ("When the rich wage war, it's the poor who die.")
Anti-apartheid movement in South Africa gains momentum.
First published recognition of the Cosmic microwave background radiation as a detectable phenomenon, and a key year in general for its measurement. https://en.wikipedia.org/wiki/Cosmic_microwave_background
The galactic X-ray source Cygnus X-1 is discovered, the first source then widely accepted to be a black hole.
Roger Penrose proposes critical mathematical tools to describe black holes.
Thomas Kornberg discovers DNA polymerase, an enzyme that plays a critical role in DNA replication.
John Lennon publishes, "In His Own Write." (Interesting, but I'd rather reread Carrol or Hofstadter's GEB, or read Joyce, ...)
Investigations of higher order logic versions of unification.
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