Complex sentence: James Abram Garfield (November 19,1831--September 19,1881) was the 20th President of the United States, serving from March 4,1881, until his assassination later that year.
Split into simpler sentences: James Abram Garfield (November 19,1831--September 19,1881) was a human being. He was also the 20th President of the United States, serving from March 4,1881, until his assassination later that year.