Complex sentence: In 1793 he returned to Dover, Delaware as a State Senator, but was quickly elected to the U.S. Senate, serving there five years, from March 4,1793 until his resignation on January 19,1798 and subsequent retirement from public life.
Split into simpler sentences: In 1793 he returned to Dover, Delaware as a State Senator, but was soon elected to the U.S. Senate. He served there for five years, from March 4,1793 until his resignation on January 19,1798, and subsequent retirement from public life.