United States Civil War vs Vicksburg

United States Civil War and Vicksburg both are nouns.

Word	Noun	Adjective	Verb	Adverb
United States Civil War	Yes	No	No	No
Vicksburg	Yes	No	No	No

United States Civil War (noun)	Vicksburg (noun)
civil war in the United States between the North and the South; 1861-1865	a decisive battle in the American Civil War (1863); after being besieged for nearly seven weeks the Confederates surrendered
	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