Australia–United States relations Minister for Defence, US Secretary of Defense and US Secretary of State. The first Australian visit by a serving United States President was that of Lyndon B. Johnson in 1966 to seek support for Australia's ongoing involvement in the Vietnam War. Australia had previously sent advisers and combat troops to Vietnam. In 1992, George H. W. Bush was the first of four US presidents to address a joint meeting of the Australian Parliament. Australia's Prime Minister, Kevin Rudd, ratified the Kyoto Protocol on 3 December 2007, leaving the United States and Canada as the last major industrial nations not to
Royal visits to Australia Royal visits to Australia Since 1867, there have been over fifty visits by a member of the Royal Family to Australia, though only six of those came before 1954. Elizabeth II is the only reigning monarch of Australia to have set foot on Australian soil; she first did so on 3 February 1954. During her sixteen journeys the Queen has visited every Australian state and the two mainland territories. The first member of the Royal Family to visit Australia was Prince Alfred, Duke of Edinburgh, son of Queen Victoria, in 1867, during his 'round-the-world voyage. Stops were made at Adelaide,