Complex sentence: The 23rd Kentucky Infantry was organized at Camp King in Lexington, Kentucky and mustered in for a three year enlistment on January 2,1862 under the command of Colonel Marcellus Mundy.
Split into simpler sentences: The 23rd Kentucky Infantry was organized at Camp King in Lexington, Kentucky and mustered in for a three year enlistment on January 2,1862. It was mustered in under the command of Colonel Marcellus Mundy.