Complex sentence: Pierre de Frédy, Baron de Coubertin (1 January 1863--2 September 1937) was a French educationalist and historian, founder of the International Olympic Committee, and is considered the father of the modern Olympic Games.
Split into simpler sentences: Pierre de Frédy, Baron de Coubertin (1 January 1863--2 September 1937) was a French educator and historian, and founder of the International Olympic Committee. He is considered the father of the modern Olympic Games.