1820

1820	30-Jan	Capt Edward Bransfield, RN, brig Williams, found and named Trinity Land in Antarctica.
1820	11-Apr	The Russian sloop Vostock, Capt T. von Bellingshaussen, arrived at Port Jackson for a refit after her long Antarctic voyage.
1820	19-Apr	Russian sloop Mirnyi joined the Vostock of Capt Bellingshaussen’s expedition for a refit at Port Jackson.
1820	9-Sep	The Russian ships Vostock and Mirnyi, Capt Bellingshaussen, arrived at Port Jackson for a seven weeks refit.
1821	28-Jan	Capt Fabian von Bellingshaussen, Russian Imperial Navy, Mimyi and Vostock, named Alexander I Land in Antarctica.
1821	13-Mar	VA John Hunter, former Governor of NSW, died in London.
1821	26-May	Cdr Philip Parker King, RN, HM colonial ship Bathurst, sailed from Sydney on his second survey of the Great Barrier Reef and Torres Strait.
1822	5-Mar	Mr John Bingle of HM colonial cutter Sally made a survey of Moreton Bay and the Brisbane River.
1822	8-Apr	HMS Bramble, 10-gun cutter, was launched at Plymouth, England. The vessel was refitted in 1842 and sailed for Australia as tender to HMS Fly.
1822	25-Apr	Lt Philip Parker King, RN, HMS Bathurst, completed his surveys of the Australian coast. charts still bear his name.
1822	14-Jun	HM colonial cutter Snapper, Mr W. E. Edwardson, RN, commenced a survey of the east coast of Australia from Byron Bay to Moreton Bay.
1822	27-Jun	The six-gun schooner Prince Regent was built in NSW and presented to King Kameheha I of Hawaii.
1823	12-Aug	Capt Louis Duperrey, French corvette La Coquile, arrived at Port Praslin, New Ireland, to conduct scientific observations. French naturalist Rene Primevere Lesson accompanied the expedition.
1823	17-Aug	Capt H. J. Rous, RN, HMS Rainbow, 28-gun frigate, discovered and carried out the first survey of the Richmond River, NSW.
1823	23-Oct	HM colonial cutter Mermaid sailed with explorer John Oxley to survey the coast between Fingal Head and Gladstone.
1823	2-Dec	President Monroe enunciated the policy known as the Monroe Doctrine which was to dictate US operatious in the pacific and other areas.
1823	2-Dec	5urveyor General John Oxley in HM colonial cutter Mermaid discovered the Brisbane River which he named in honour of Governor Brisbane.
1823	18-Dec	HM armed cutter Mermaid arrived in Port Jackson with two survivors from a wrecked ship who had lived eight months with Aborigines at Moreton Bay.
1824	11-Jan	The following monthly rates of pay for naval officers were fixed by the Admiralty: $61 75 4d(1st rate ship); $23 Os 4d (sloop); First Lieutenant$11 lOs Od (1st rate ship); $9 4s Od (sloop); Lieutenant $9 4s Od (1st rate ship); $7 13s 4d(sloop); Master $13 Os 8d (1st rate ship); $7 13s 4d (sloop); Midshipman $2 8s 0d (all ships); Chaplain $12 5s 4d (all ships); Surgeon $12 5s ‘all ships); Assistant Surgeon $9 4s 0d (all ships); Purser $7 0s 0d (all ships); Second Master$5 9s 4d (1st rate ship); $4 14s 0d (6th rate ship).
1824	3-Jul	New victualling allowances were proclaimed for the RN.
1824	4-Dec	HM colonial brig Amity returned to Sydney after conveying the Governor of NSW, Sir Thomas Brisbane, and his staff to the Brisbane River for the founding of the settlement which in his honour.
1825	6-May	Capt Lord Byron, HMS Blonde, 46-gun frigate, arrived at Honolulu to place the Hawaiian Islands under British protection. Later in the year two US warships called at the port and demanded payment for debts due to American citizens.
1825	11-Aug	The homestead of Cdr William Ogilvie, RN, at Muswellbrook, was attacked by a large party of natives. Mrs Ogilvie and her servants beat back the attack and held out until a relief party arrived. Cdr Ogilvie served as a midshipman under Admiral Nelson in HMS St George.
1825	22-Sep	The Sydney Gazette reported: ‘The Lady Nelson, brig, has been most unfortunately cut off at Timor by Malay privateers and all the crew sacrificed, except the Captain. The little 60-ton ship contributed more to the exploration and settlement than any other. She served in the colony for a quarter of a century.
1826	25-Jan	Capt James Stirling, RN, was recalled from half-pay retirement to command HMS Success, 6th rate, 28 guns, on an expedition to transfer the settlement at Port Melville, northern Australia, to a more suitable site.
1826	6-May	Jorgen Jorgenson, Danish-born former First Officer of HM colonial brig, Lady Nelson, arrived at Hobart as a convict under a life sentence. Jorgenson was found guilty of commanding an enemy ship and seizing one of His Majesty’s ships.
1826	20-May	Capt D. H. Kolff, of the Dutch brig of war Dourga, landed in south-west New Guinea during a survey commissioned by the Governor General of the Indies.
1826	26-Nov	Boats from HMS Warspite rescued settlers and their families trapped by devastating bushfires on the north shore of Port Jackson.
1826	12-Dec	Capt P. R. Wetherall, RN, HMS Fly, surveyed Westernport, Vic.
1826	19-Dec	Cdre Sir James Brisbane, HMS Warspite, battleship, died in his ship in Sydney Harbour.
1826	21-Dec	Cdre Sir James Brisbane, HMS Warspite, battleship, was buried at Sydney. The Commodore was given the colony’s first ceremonial funeral. Pall bearers were Capt Stirling, RN, HMS SuccesS, Capt the Hon Dundas, RN, HMS Volage, and two military officers. All naval ships in port fired minute guns for the duration of the funeral procession.
1827	15-Apr	Capt James Stirling, RN, HMS Success, presented to Governor Darling a 74-page report on the suitability of the Swan River, WA, for a settlement.
1827	7-Jun	Capt J. Dillon, East India Company ship Reliance, salvaged relics of La Perouse’s ships Boussole and L’Astrolabe from Vanikoro Island.
1828	8-Jan	The French corvette Bayonaise, Capt le Gearant, sailed from Valparaiso for Vanikore Island to recover relics of RA Comte de La Pèrouse’s expedition. Bayonaise put into Port Jackson on her outward voyage.
1828	28-Feb	Capt Dumont d’Urvile, French Navy, found the wrecks of RA Comte de La Pérouse’s ships on the island of Vanikoro.
1828	9-Jul	Capt Laplace, of the French frigate Artemise, was instructed to visit Tahiti and Hawaii to inform the chiefs ‘it will be altogether to the advantage of the chiefs of these islands of the Ocean to conduct themselves in such a manner as not to incur the wrath of France’.
1828	28-Jul	HMS Royal Adelaide, 1st Rate ship of the line, was launched at Plymouth. The vessel was later renamed HMS London and was sold out of service in 1905.
1828	24-Aug	The Dutch corvette Triton and the schooner Iris established a settlement at Lobos, south-west New Guinea. Commissioner A. J. van Delden named it Fort du Bus.
1829	6-Feb	HM ships Bomb and Sulphur sailed from Ports-mouth with the chartered vessel Parmelia to establish a colony on the Swan River, WA. The expedition was commanded by Capt James Stirling RN.
1829	2-May	Capt C. H. Fremantle, RN, HMS Challenger, arrived in Australia with instructions from the British Government to take possession in the name of King George IV of all that part of New Holland which was not included within the territory of NSW.
1829	13-Jun	HMS Mermaid was wrecked on Frankland Reef in the Great Barrier Reef. The crew were picked up eleven days later by the ship Admiral Gifford.
1829	12-Aug	Capt James Stirling, RN, proclaimed the settle-ment of Perth, WA.
1829	28-Nov	HMS Success, 6th rate, struck rocks in Challenger Passage while on passage from Port Jackson to the Swan River. The ship was refloated and repaired at Cockburn Sound.