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South Vietnam's President Ngo Dinh Diem visits Australia. Prime Minister Menzies reaffirms support.
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The first members of the Australian Army Training Team Vietnam (AATTV) arrive in South Vietnam.
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Advisor, Sergeant William Hacking becomes the first Australian to die in Vietnam when his weapon accidentally discharges after being caught in vegetation.
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The Prime Minister (Rt. Hon. Sir Robert Menzies) announces introduction of national service to increase the army’s strength from 22,750 to 37,500. Opposition to the war in Vietnam is not accepted as a reason for exemption.
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HMAS Sydney arrives at Vung Tau, South Vietnam, carrying the bulk of the Australian force.
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A demonstration against the war in Sydney results in 65 arrests.
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Harold Holt succeeds Menzies as Prime Minister.
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Holt announces the Australian commitment in South Vietnam will be Increased to a 4350-man task force, and will include conscripts.
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John Grey Gorton sworn in as Prime Minister.
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Prime Minister Harold Holt missing, presumed drowned off Portsea in Victoria. His body is never recovered.
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Anti-Vietnam War protesters stage the first moratorium marches in Australian cities (70,000 in Melbourne, and about 120,000 throughout Australia).
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Sir William McMahon replaces Gorton as Liberal leader and Prime Minister.
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USA and North Vietnam sign a peace agreement.
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Australia’s military commitment in South Vietnam ends, although controversy about the precise end date of the war continues.