Question: George Johnston was a key figure in putting down what rebellion by convicts against colonial authority in the Castle Hill area of the British colony of New South Wales?
Sentence (from "George Johnston (British Marines officer)"): Lieutenant-Colonel George Johnston (19 March 1764 – 5 January 1823) was briefly Lieutenant-Governor of New South Wales, Australia after leading the rebellion later known as the Rum Rebellion.
Relevant evidence: Yes