Simplify the following text for a Grade 4 native English-speaking person.
Original: Chiarelli was elected as the first mayor of the newly amalgamated city of Ottawa on November 13 , 2000 , and was re-elected on November 10 , 2003 ( see 2003 Ottawa election for full results ) .
Simplified: He was first made mayor of the new Ottawa on November 13 , 2000 .