Battle of Broken River
1838 CE.
Shown on the map at -36.549°, 145.975°.
The Battle of Broken River, also known as the Faithfull Massacre, sometimes spelt Faithful Massacre, took place in 1838 when 20 Aboriginal Australians attacked 18 European settlers, killing eight of them. Reprisals against the Aboriginal people continued for many years afterwards, killing up to 100 people.
Text from the Wikipedia article Battle of Broken River, licensed CC BY-SA 4.0.