A History of Short Words

From the New York Times Crossword Puzzle

OPEC

Mon, 22 Nov '21
Intl. group that has no members in Europe or North America
Wed, 22 Sep '21
International grp. founded in 1960 in Baghdad
Mon, 12 Jul '21
International grp. with a 1970s U.S. embargo
Fri, 9 Jul '21
International grp. that's well financed?
Tue, 8 Jun '21
International grp. founded in Baghdad