A History of Short Words

From the New York Times Crossword Puzzle

EUR

Thu, 5 May '22
Source of much early immigration to the U.S.: Abbr.
Thu, 3 Mar '22
It covers 6.8% of the earth's land area: Abbr.
Wed, 5 May '21
Where It. is found
Sun, 31 Jan '21
Port. is part of it