Complex sentence: The first Palestine Arab Congress met between 27 January and 10 February 1919, with twenty seven delegates from Muslim-Christian Societies from across Palestine presided over by Aref Pasha Dahudi Dajani, president of the Jerusalem Muslim-Christian Society.
Split into simpler sentences: The first Palestine Arab Congress met from 27 January to 10 February 1919, with 27 delegates from Muslim-Christian societies across Palestine. It was presided over by Aref al-Dajani, president of the Jerusalem Muslim-Christian Society.