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.
The Civil War. The American Civil War was a grave turning point in the history of North. America. It was a conflict that pitted the Northern states of the American union. against the Southern states. The war raged for four years, from 1861 to 1865, and was marked by some of the fiercest military campaigns in modern history.