An important piece of new research A gathering on the Murray River depicted in 1858. Gerard Krefft, Corroboree on the Murray River, 1858. Dixson Galleries, State Library of New South Wales By Corey J. A. Bradshaw, Flinders University; Alan N Williams, James Cook University; Lynette Russell, Monash University; Sean Ulm, James Cook University, and Shane Ingrey, UNSW Content warning: This article discusses mass death, epidemics, frontier violence, and the structural violence experienced by Aboriginal and Torres Strait Islander peoples. More than two million Indigenous people probably lived in Australia at the time of the British invasion in 1788, according to…