Hooker's attack against the Confederates caused the Union to weaken severely.
Hartley Colliery Disaster happened in 1862.
1862
Iwikau Te Heuheu Tukino III died in 1862.
Border Union Railway was created in 1862.
Eastern Union Railway ended in 1862.
Union Bank of Switzerland was created in 1862.
in 1862
Major General Irvin McDowell actually had two stints as commander of the Union Army. The first was from March 13, 1862 until April 4, 1862. The second was from June 26, 1862 _ September 5, 1862.
Chancellorsville
Union Carbide
Ohio has always been a northern state, at least since it became a state in 1803. Therefore, yes, Ohio was a union state in 1862.
VII Corps - Union Army - was created in 1862.