1826—Captain Dillon, in the RESEARCH, on the west coast,
1826—Major Lockyer, founded King George's Sound settlement.
1826—Captain Dumont D'Urville, in the ASTROLABE, from touched at Bass's Strait.
1826—Fort Wellington and Raffles Bay founded.
1827-28—Captain Gould on the south coast, near Port Lincoln.
1827—Allan Cunningham discovers the Darling Downs, the Dumaresque, Gwydir and Condamine Rivers, etc.
1828—Allan Cunningham, accompanied by Charles Frazer, botanist connected the Moreton Bay settlement, with the Darling Downs by way of Cunningham's Gap.
1828—Captain James Stirling, accompanied by Charles Frazer, in H.M.S. SUCCESS; surveyed the coast of King George's Sound to the Swan River.
1828—Surveyor-General Oxley died near Sydney.
1828-29—Captain Charles Sturt's first expedition; discovered New Year's Creek (now the Bogan) and the Darling.