A History of Short Words

From the New York Times Crossword Puzzle

OPEC

Mon, 8 Apr '24
International grp. with many African members
Wed, 21 Feb '24
International oil grp.
Tue, 6 Feb '24
Grp. that Qatar left in 2019
Sat, 25 Nov '23
Qatar left it in 2019
Sun, 15 Oct '23
Oil industry acronym
Fri, 6 Oct '23
Noted example of oligopoly, in brief
Wed, 27 Sep '23
Intl. price-setting group
Mon, 17 Jul '23
Grp. with many Mideast members
Sun, 11 Jun '23
Grp. with barrels
Thu, 1 Jun '23
Crude letters
Mon, 17 Apr '23
Oil price-regulating grp.
Sun, 19 Feb '23
International grp. headquartered in Vienna
Sat, 28 Jan '23
Org. that has more members in Africa than in the Mideast
Sat, 20 Aug '22
Reserve group, in brief?
Wed, 18 May '22
Intl. group with members on three continents
Wed, 26 Jan '22
Major oil acronym
Wed, 29 Dec '21
International grp. founded in Baghdad in 1960
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