Complex sentence: The NSW Koori Rugby League Knockout, is one of the largest gatheing of Indigenous people in Australia a a modern day corroboree for Koori people in NSW, it has been held annually over the October long weekend since 1970.
Split into simpler sentences: The NSW Koori Rugby League Knockout, is one of the largest gatherings of Indigenous people in Australia. A modern day corroboree for the Koori people of NSW, it has been held annually over the October long weekend since 1970.