Map of the states and territories of the United States as it was from June 1863 to May 1864. On June 20 1863, several counties of Virginia split to join the Union, and were admitted as the state of West Virginia. On May 26 1864, Montana Territory was split from Idaho Territory, which further lost some land to Dakota Territory.
{{Information| |Description=Map of the states and territories of the United States as it was from |Source= |Date= |Author=Made by User:Golbez. |Permission=Own work, attribution required (Multi-license with GFDL and Creative Commons CC-BY 2.5) |other_