A History of Short Words

From the New York Times Crossword Puzzle

SEP

Sat, 22 Jun '24
Mo. in which the U.S. Constitution was signed
Thu, 25 May '23
International Day of Peace mo.
Sun, 2 Oct '22
Equinox mo.
Fri, 18 Feb '22
Equinox mo.
Sun, 31 Oct '21
Fall mo.