Complex sentence: The city of Montreal states that the main pool can accomodate 1,150 bathers while the "Montreal Gazette", in 1951, reported that the pool could handle up to 6000 swimmers.
Split into simpler sentences: The city of Montreal states that the main pool can accomodate 1,150 bathers. In 1951, The "Montreal Gazette" reported that the pool could handle up to 6000 swimmers.