Lexington and Concord vs Lexington

Lexington and Concord and Lexington both are nouns.

Word	Noun	Adjective	Verb	Adverb
Lexington and Concord	Yes	No	No	No
Lexington	Yes	No	No	No

As nouns, Lexington and Concord and Lexington are synonyms defined as:

Lexington and Concord and Lexington: the first battle of the American Revolution (April 19, 1775)

Other synonyms of Lexington and Concord include Battles of Lexington and Concord, Concord.

Lexington and Concord (noun)	Lexington (noun)
the first battle of the American Revolution (April 19, 1775)	the first battle of the American Revolution (April 19, 1775)
	town in eastern Massachusetts near Boston where the first battle of the American Revolution was fought and the first shots fired
	a city in eastern Kentucky; noted for raising thoroughbred horses