Complex sentence: Edwin Dennison Morgan (February 8,1811-February 14,1883) was Governor of New York from 1859 to 1862 and served in the United States Senate from 1863 to 1869.
Split into simpler sentences: Edwin Dennison Morgan (February 8,1811-February 14,1883) was governor of New York in the USA from 1859 to 1862. He served in the United States Senate from 1863 to 1869.