Princeton's WordNet(5.00 / 1 vote)Rate this definition: 1  fauna, zoology(noun) all the animal life in a particular region or period. the fauna of China; the zoology of the Pliocene epoch. 2  zoology, zoological science(noun) the branch of biology that studies animals.
The American Civil War, widely known in the United States as simply the Civil War as well as other sectional names, was a civil war fought from 1861 to 1865 to determine the survival of the Union or independence for the Confederacy.
Americaâs Reconstruction after the Civil War. Reconstruction, one of the most turbulent and controversial eras in American history, began during the Civil. War in 1865 and ended in 1877. At the end of the Civil War, the defeated South was a ruined land.