High Quality Content by WIKIPEDIA articles! When Portland, Victoria was established as a whaling station in 1829, there was tension between the local Indigenous Australian tribe, the Kilcarer gundidj clan of the Gunditjmara people and the whalers. In 1833 or 1834 this tension turned into a full fledged conflict in a dispute over a beached whale. The Convincing Ground is located in Portland Bay southwest of Melbourne, near the coastal town of Portland in the Shire of Glenelg and is listed on the Victorian Heritage Register. Professor Lynette Russell from Australian Indigenous Studies at Monash University said "The Convincing Ground is probably the first recorded massacre site for Victoria."