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Vietnam War: Operation Cedar Falls starts.
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The United States, Soviet Union and United Kingdom sign the Outer Space Treaty.
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Ronald Ryan becomes the last man hanged in Australia, for murdering a guard while escaping from prison in December 1965.
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NASA launches Lunar Orbiter 3.
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Black Tuesday in Tasmania – massive bushfires devastate much of the Tasmanian capital of Hobart and surrounding areas.
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Donald Sangster becomes the new Prime Minister of Jamaica, succeeding Alexander Bustamante.
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The Royal Australian Navy replaces the British White Ensign flag on all its ships with the Australian White Ensign.
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The body of U.S. President John F. Kennedy is moved to a permanent burial place at Arlington National Cemetery.
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The first French nuclear submarine, Le Redoutable, is launched.
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A United Nations delegation arrives in Aden due to approaching independence. They leave April 7, accusing British authorities of lack of cooperation. The British say the delegation did not contact them.
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The first Boeing 737 (a 100 series) takes its maiden flight.
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This Day Tonight, Australia's first national nightly TV current affairs program, premieres on ABC-TV, hosted by Bill Peach.
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Fidel Castro announces that all intellectual property belongs to all people and that Cuba intends to translate and publish technical literature without compensation.
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Hong Kong 1967 riots: Clashes between striking workers and police kill 51 and injure 800.
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Indigenous Australians (technically only the Aboriginal race - see Australian referendum, 1967 (Aboriginals)) are given the right to be counted in the national census after a national referendum and legislation changing citizenship laws, but voters reject a third referendum question about breaking the nexus between the sizes of the Senate and the House of Representatives.
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ATV0 broadcasts the first colour television program in Australia when it televises the horse racing from Pakenham, Victoria.
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Nicole Kidman was born.
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The postcode system of postal address coding is introduced throughout Australia.
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The United Kingdom announces the closing of its military bases in Malaysia and Singapore. Australia and the U.S. disapprove.
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Qantas Airways drops the word 'Empire' from its name.
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Race riots in the United States spread to Washington, D.C.
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The State of Tamil Nadu, India is established.
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Jimi Hendrix's debut album Are You Experienced? is released in the United States.
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Vietnam War – Operation Swift: The United States Marines launch a search and destroy mission in Quang Nam and Quang Tin Provinces. The ensuing 4-day battle in Que Son Valley kills 114 Americans and 376 North Vietnamese.
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A riot during a football match in Kayseri, Turkey leaves 44 dead, about 600 injured.
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An X-15 research aircraft with test pilot William J. Knight establishes an unofficial world fixed-wing speed record of Mach 6.7.
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Walt Disney's 19th full-length animated feature The Jungle Book, the last animated film personally supervised by Disney, is released and becomes an enormous box-office and critical success. On a double bill with the film is the (now) much less well-known true-life adventure, Charlie the Lonesome Cougar.
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Apollo program: NASA launches a Saturn V rocket carrying the unmanned Apollo 4 test spacecraft from Cape Kennedy.
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The UK pound is devalued from 1 GBP = 2.80 USD to 1 GBP = 2.40 USD.
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Australia's first satellite, WRESAT, is launched on an American Redstone rocket from Woomera, South Australia.
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Vietnam War: U.S. and South Vietnamese forces engage Viet Cong troops in the Mekong Delta (235 of the 300-strong Viet Cong battalion are killed).
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Harold Holt, Australian prime minister, disappears whilst swimming in heavy surf at Cheviot Beach, near Portsea, Victoria.
