American Civil War (12 abr 1861 año – 9 mayo 1865 año)
Descripción:
Fought between the northern United States (loyal to the Union) and the southern United States (that had seceded from the Union and formed the Confederacy).[e] The civil war began primarily as a result of the long-standing controversy over the enslavement of black people.
https://en.wikipedia.org/wiki/American_Civil_War
Añadido al timeline:
fecha:
12 abr 1861 año
9 mayo 1865 año
~ 4 years