town vs Vicksburg

town and Vicksburg both are nouns.

Word	Noun	Adjective	Verb	Adverb
town	Yes	No	No	No
Vicksburg	Yes	No	No	No

town (noun)	Vicksburg (noun)
the people living in a municipality smaller than a city	a decisive battle in the American Civil War (1863); after being besieged for nearly seven weeks the Confederates surrendered
an urban area with a fixed boundary that is smaller than a city	a town in western Mississippi on bluffs above the Mississippi River to the west of Jackson; focus of an important campaign during the American Civil War as the Union fought to control the Mississippi River and so to cut the Confederacy into two halves
an administrative division of a county