Vicksburg vs American Civil War

Vicksburg and American Civil War both are nouns.

Word	Noun	Adjective	Verb	Adverb
Vicksburg	Yes	No	No	No
American Civil War	Yes	No	No	No

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