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
State visit of Elizabeth II to the Republic of Ireland groups were opposed to the visit, with protests organised at locations on the Queen's itinerary. In April 2014, President Michael D. Higgins reciprocated the Queen's visit when he became the first Irish president to make a state visit to the United Kingdom. The Queen's visit was formally announced by Buckingham Palace and Áras an Uachtaráin simultaneously on 4 March 2011. The Queen's announcement stated: The announcement was widely expected as both governments had anticipated the visit publicly for some time. The British ambassador to Ireland, David Reddaway, had described the visit as "imminent" in 2009. Queen Elizabeth II's visit came