A History of Short Words

From the New York Times Crossword Puzzle

DDAY

Mon, 15 Dec '25
Turning point in W.W. II
Sat, 25 Oct '25
Climax of operational planning
Tue, 15 Jul '25
June 6 remembrance
Fri, 31 Jan '25
Time for action
Mon, 16 Sep '24
6/6/1944, familiarly
Thu, 8 Aug '24
Its 80-year anniversary was observed in June of 2024
Mon, 27 Jun '22
When the Allied invasion of Normandy was launched
Thu, 14 Apr '22
Critical time
Fri, 7 May '21
Decision-making time