Complex sentence: Haidar Abdel-Shafi (June 10,1919 in Gaza--September 25,2007 in Gaza) was a Palestinian community leader who served as head of the Palestinian delegation to the Madrid Conference of 1991.
Split into simpler sentences: Haidar Abdel-Shafi (June 10,1919--September 25,2007) was a noted Palestinian community leader. He served as head of the Palestinian delegation to the Madrid Conference of 1991.