A History of Short Words

From the New York Times Crossword Puzzle

WWI

Sat, 1 Jan '22
Setting of the Robert Graves memoir "Good-bye to All That," in brief
Thu, 23 Dec '21
Historical event given its current name in 1939: Abbr.
Sun, 17 Oct '21
Conflict in 2017's "Wonder Woman," in brief
Wed, 31 Mar '21
Conflict that ended at 11:00 on 11/11
Mon, 8 Feb '21
Conflict in 2017's "Wonder Woman," in brief