The Waterloo Creek massacre (also Slaughterhouse Creek massacre) refers to a series of violent clashes between mounted settlers, civilians and Indigenous Gamilaraay people, which occurred southwest of Moree, New South Wales, Australia, during December 1837 and January 1838.
The Waterloo Creek Massacre site is listed on the New South Wales Heritage Register as a place of significance in frontier violence leading to the murder of Gamilaraay people.
The events have been subject to much dispute, due to wildly conflicting accounts by various participants and in subsequent reports and historical analyses, about the nature and number of fatalities and the lawfulness of the actions. Interpretations were made again during the Australian history wars which began in the 1990s.
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