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1900
Troops from the NSW Mounted Rifles and Queensland Mounted Infantry fought in the Battle of Poplar Grove during the Boer War. Dispirited by earlier defeats, many Boers panicked and abandoned their positions. This collapse of Boer resistance later allowed the capture of Bloemfontein on 13 March 1900.
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1951
Battle of Maehwe-San, Korea, began. The battle ultimately cost the lives of twelve Australians from 3RAR.
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1965
3RAR relieved the 1st/7th Gurkha Rifles in Sarawak during the Indonesian Confrontation. 3RAR stayed in the area for four months and lost three soldiers killed by landmines laid by the Indonesians.
