Complex sentence: The Spastic Centre of New South Wales, Australia was founded on 9 December, 1944 and commenced operations 30 January, 1945 by a concerned group of 25 parents of cerebral palsy children under the leadership of Mr Neil and Audrie McLeod.
Split into simpler sentences: The Spastic Centre of New South Wales, Australia was founded on 9 December, 1944 and commenced operations 30 January, 1945. It was founded by a concerned group of 25 parents of children with cerebral palsy under the leadership of Mr Neil and Audrie McLeod.