A History of Short Words

From the New York Times Crossword Puzzle

OMAN

Sat, 13 Nov '21
Home of the Sultan Qaboos Grand Mosque
Tue, 2 Nov '21
Country near the Strait of Hormuz
Mon, 1 Nov '21
"Toe" of the Arabian Peninsula
Sun, 24 Oct '21
Oldest independent state in the Arab world
Fri, 10 Sep '21
The toe of a geographical "boot"
Wed, 23 Jun '21
Muscat's sultanate
Wed, 17 Mar '21
Only United Nations member whose name starts with "O"
Thu, 11 Feb '21
Its flag displays a curved dagger known as a khanjar
Tue, 5 Jan '21
Country whose name can be an exclamation