A History of Short Words

From the New York Times Crossword Puzzle

UBOAT

Sat, 26 Oct '24
Menace in "Dead Wake: The Last Crossing of the Lusitania"
Mon, 29 Apr '24
German sub in W.W. II fighting
Thu, 6 Jul '23
W.W. II sub
Wed, 2 Feb '22
Threat to the Allies in W.W. II
Sun, 26 Sep '21
W.W. II threat
Sat, 1 May '21
In-depth subject for a war historian?