Battles of Lexington and Concord vs Lexington and Concord

Battles of Lexington and Concord and Lexington and Concord both are nouns.

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

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

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

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

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