Simplify the following text for a Grade 7 native English-speaking person.
Original: He was the tenth and last President of Czechoslovakia ( 1989 â `` 92 ) and the first President of the Czech Republic ( 1993 â `` 2003 ) .
Simplified: He was the tenth and last President of Czechoslovakia ( 1989 â `` 92 ) . He then became the first President of the Czech Republic ( 1993 â `` 2003 ) .