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
Richard Nixon's 1972 visit to China on secret diplomatic missions to Beijing in 1971, where he met with Premier Zhou Enlai. On July 15, 1971, the President shocked the world by announcing on live television that he would visit the PRC the following year. The week-long visit, from February 21 to 28, 1972, allowed the American public to view images of China for the first time in over two decades. Throughout the week the President and his senior advisers engaged in substantive discussions with the PRC leadership, including a meeting with Chairman Mao Zedong, while First Lady Pat Nixon toured schools, factories and hospitals in the