Complex sentence: General Benjamin Mooers was born in Haverhill, Mass. on April 1,1758, and commanded the New York Militia at the battle of Plattsburg, September 11,1814.
Split into simpler sentences: General Benjamin Mooers was born in Haverhill, Mass. on April 1,1758. Gen. Mooers commanded the New York Militia at the Battle of Plattsburgh, September 11,1814.