What year did the West Virginia split from Virginia?

Answer 1

The split occured in 1861.
{| |- | That would be 1863. The western counties of Virginia met and elected to reject the rest of the state's succession. They stayed with the Union, though there was a lot of conflict within the state as to which side they should support. |}

Answer 2

On June 6, 1863, West Virginia separated from Old Virginia in the year 1863. This was because the West Virginia region of old Virginia largely supported the North in the war efforts. West Virginia did not have the type of land for growing cotton and therefore did not have the "need" for slavery.

Answer 3

It was declared a new state in 1863, seceding from Virginia and the Confederacy - a welcome gift for Lincoln.