Complex sentence: The Cullin-la-Ringo massacre or Wills Tragedy occurred north of modern-day Springsure in Central Queensland on 17 October 1861, and was the largest massacre of white settlers by Aborigines in the history of Australia.
Split into simpler sentences: The Cullin-la-Ringo massacre or Wills Tragedy occurred north of modern-day Springsure in Central Queensland on 17 October 1861. It was among the largest massacres of white settlers by Aborigines in the history of Australia.