Complex sentence: The 5th Kentucky Cavalry was organized at Columbus, Kentucky December 1861 to February 1862 and mustered in for a three year enlistment at Gallatin, Tennessee on March 31,1862 under the command of Colonel David Rice Haggard.
Split into simpler sentences: The 5th Kentucky Cavalry was organized at Columbus, Kentucky December 1861 to February 1862 and mustered in for a three year enlistment at Gallatin, Tennessee on March 31,1862. It was mustered in under the command of Colonel David Rice Haggard.