Complex sentence: On October 16,2013 he defeated Republican Steve Lonegan in the general election, making him the first African American US Senator from New Jersey and the first African American to be elected to the Senate since Barack Obama in 2004.
Split into simpler sentences: On October 16,2013 he defeated Republican Steve Lonegan in the general election. He is the first African American US Senator from New Jersey and the first African American to be elected to the Senate since Barack Obama in 2004.