Complex sentence: Clarence Kumukoa Lyman was born February 28,1882, was the first Hawaiian admitted to U.S. Military Academy at West Point, but died May 16,1915, from an injury during a polo match.
Split into simpler sentences: Clarence Kumukoa Lyman was born February 28,1882, was the first Hawaiian admitted to U.S. Military Academy at West Point. He died May 16,1915, from an injury during a polo match.