1806 - Philip Gidley King was about to set sail into the sunset aboard the Buffalo but he collapsed and his departure was delayed for 6 months.
1820 - Gov Lachlan Macquarie issued an order which enforced driving on the left-hand side of the road.
1829 - It was declared that foreign coins would no longer be accepted by the Govt in Oz.
1853 - Francis Cadell navigated a steamer up the mighty Murray River from Goolwa to Swan Hill.
1866 - From today until the 21st of August the effects of a tsunami of unknown origin were felt along the coast of NSW.
1868 - A tsunami that began in North Chile, gave the coastlines of QLD, NSW, TAS, SA and WA a thorough scrubbing The ebbing tide reversed and waters returned to Sydney Harbour with great force. Ships swung at anchor and boats washed ashore in Newcastle. Jetty washed away in Long Bay Tasmania.
1885 - Broken Hill, NSW, was declared a town.
1887 - The Main North Rail Line (NSW) from Woodville Junction to Hamilton Juction, opened.
1888 - R.L Sneddon, captain of the visiting British Rugby Union team, drowned in the Hunter River, NSW.
1890 - WA was Royally assented to have a representative Govt and a State Constitution.
1903 - William Barak, Ngurungaeta of the Wurundjeri people, passed away at Correnderk.
1904 - The Seat of Government Act named Dalgety as the site of the future Federal Capital Territory(now ACT). The site turned out to be unacceptable to the NSW Government, due partly to Dalgety's distance from Sydney and close proximity to Victoria. The Act was repealed in 1908 and Dalgety was replaced by Canberra as the new site for the capital of the ACT.
1921 - The Canberra Branch Rail line opened.
1923 -James Disney (MLC Melbourne West) introduced a private member's bill entitled 'Parliamentary Elections (Women Candidates) Bill' enabling women to stand for elections in both the Legislative Assembly or Legislative Council.
1931 - Engineers expressed concern that the cables holding up two sections of the partly-built Sydney Harbour Bridge might snap in severe gales.
1938 - The Oaklands Branch rail line (NSW) from Yarrawonga to Oaklands, opened.
1945 - VP = Victory in the Pacific. Emperor Hirohito announced the unconditional surrender by Japan.
1949 - The national strike by coal miners ended on this day when the troops (army had been sent in to work the mines) left the mines, the workers ignored pleas by Communist Union Leaders to keep the strike going and the Emergency Act was repealed.
1952 - The Hawthorn to Kew rail passenger service (Vic) ended.
1960 - The Consumer Price Index was compiled for the first time.
1962 -The newly-established ‘Red Sales’ aerobatic team from the Central Flying School, East Sale, crashed on this day while rehearsing for a performance at the base’s Air Force Week display the following month. Four Vampire T.35 jet trainers, two carrying passengers, took off from East Sale at 1.44 pm. Disaster struck about 20 minutes later, during recovery from a formation barrel roll at low level. All four aircraft ploughed into a timbered rise some 12 kilometres south-west of the base and exploded on impact, killing instantly the six men on board.
1962 -A territorial dispute between Indonesia and Australia over West New Guinea (Irian Jaya) is defused when the United Nations determines that the former Dutch colony will become Indonesian territory in May 1963.
1963 - Australia agreed to sign the International Nuclear Test Ban Treaty.
1968 - The first complete mapping of the Fair Isle of Oz was completed by the Division of National Mapping.
1976 - The last known member of the Yantrawanta tribe, Johnny Merty, died on this day; he was the oldest known Aboriginal in South Australia having been born on Tinga Tingana Station on the Strzelecki Track in 1861.
1979 - A report announced that it would be at least 50 years before the Maralinga atomic test sites would be completely safe from radioactivity.
1983 - Over 500 people attended the AIDS information forum held at the Parramatta Town Hall.
1985 - Opal was officially made the gemstone of South Oz.
1985 - Retail giants G.J. Coles and Myer Emporium merged.
1989 - The Northern Territory Aboriginal Sacred Sites Act 1989 came into force today.
1994 - The Eugowra Branch rail line (NSW) from Canowindra to Trajere, opened.
1996 - The House of Representatives Standing Committee was asked to inquire into and report on greater autonomy for Torres Strait Islanders.
1997 - The skull of Aboriginal resistance leader Yagan was exhumed from an English grave after months of lobbying by Aboriginal elders for its safe return to Australia.
1997 - Yanggarriny Wunungmurra was announced as the overall winner of the 14th National Aboriginal and Torres Strait Islander Art Award.
1998 -The Lesbian Space Custodial Committee holds a Lesbian Identity and Community Forum and aims to garner opinions on what it means to be a lesbian and what “lesbian community” denotes.
1999- The Satellite Group managing director, Greg Fisher and recently appointed chair, Dr Kerryn Phelps, announce the Group’s pending float – the world’s first “pink float” – on the Australian Stock Exchange. Satellite, established in 1996, is now valued at $220 million.
2011 -Paul "Doug" Peters, a man wanted in Australia for allegedly strapping a fake bomb to the neck of a teenage girl in a suburban Sydney home on August 3, was arrested near Louisville, Kentucky.
2012 - Australia highest court upheld the world's toughest law on cigarette promotion, which prohibits tobacco companies from displaying their logos on cigarette packs. Starting in December, packs will instead come in a uniformly drab shade of olive and feature graphic health warnings and images of cancer-riddled mouths, blinded eyeballs and sickly children.
2012 - The Australian Competition and Consumer Commission said that car importer Ateco Automotive ordered dealers to stop selling certain vehicles by China’s Great Wall Motor Co. and Chery Automobile after asbestos was found inside engine and exhaust gaskets.