Complex sentence: The 4th Kentucky Infantry was organized at Camp Dick Robinson and mustered in for a three year enlistment on October 9,1861 under the command of Colonel Speed Smith Fry.
Split into simpler sentences: The 4th Kentucky Infantry was organized at Camp Dick Robinson and mustered in for a three year enlistment on October 9,1861. It was mustered in under the command of Colonel Speed Smith Fry.