Complex sentence: It left Indiana for Nashville, Tennessee on November 18th and it was attached to 2nd Brigade, 4th Division, 20th Army Corps, Department of the Cumberland, to March, 1865.
Split into simpler sentences: It left Indiana for Nashville, Tennessee on November 18th. Attached to 2nd Brigade, 4th Division, 20th Army Corps, Department of the Cumberland, to March, 1865.