Iceland–United States relations to a number of the same international organizations, including the United Nations, the Organization for Security and Co-operation in Europe, Arctic Council, Organisation for Economic Co-operation and Development, International Monetary Fund, World Bank, and World Trade Organization. Only two U.S. presidents have visited Iceland whilst in office: Richard Nixon in 31 May-1 June 1973 and Ronald Reagan in 9–12 October 1986. President Richard Nixon was the first U.S. president to visit Iceland when he visited on 31 May - 1 June 1973. Reagan attended the Reykjavík Summit in 9–12 October 1986 with Soviet leader Mikhail Gorbachev. It was a highly
Treaty on Conventional Armed Forces in Europe the establishment of an effective verification system. Meanwhile, in December the INF Treaty between the United States and the Soviet Union was signed, effectively allowing mutual inspections. During the May–June 1988 Moscow Summit, US President Ronald Reagan and General Secretary Gorbachev emphasized the importance of stability and security in Europe, specifically calling for data exchange, verification of these data, and then reductions. In December Gorbachev announced at the United Nations a unilateral withdrawal of 50,000 troops from Eastern Europe, and demobilization of 500,000 Soviet troops. In January 1989, NATO and the Warsaw Treaty members produced the Mandate for the Negotiation