Simplify the following text for a Grade 7 native English-speaking person.
Original: FÃ lix HouphouÃ `` t-Boigny ( ; 18 October 1905 â `` 7 December 1993 ) , affectionately called Papa HouphouÃ `` t or Le Vieux , was the first President of CÃ te d'Ivoire .
Simplified: FÃ lix HouphouÃ `` t-Boigny ( 18 October 1905 â `` 7 December 1993 ) was the first President of CÃ te d'Ivoire .