Complex sentence: Promoted to brigadier general of Louisiana troops on January 7,1862, he was assigned to command the defenses of New Orleans and the Lower Mississippi, and he quickly became widely known as one of the finest artillerists in that region.
Split into simpler sentences: Promoted to brigadier general of Louisiana troops on January 7,1862, he was assigned to command the defenses of New Orleans and the Lower Mississippi. He quickly became widely known as one of the finest artillerists in that region.