A History of Short Words

From the New York Times Crossword Puzzle

Thu, 24 Aug '23: Black Widow's former org.
Fri, 9 Sep '22: Org. that "Moscow Centre" represents in George Smiley novels
Thu, 9 Jun '22: Cold War inits.
Sat, 9 Apr '22: Cold War inits.
Sat, 28 Aug '21: "Bridge of Spies" org.
Wed, 21 Jul '21: Cold War inits.
Mon, 22 Feb '21: U.S.S.R. intelligence org.
Wed, 30 Dec '20: Illya Kuryakin's org. in the film "The Man From U.N.C.L.E."