Union, universal postal, the first tube in the direction of cooperation between the employees of the Department post and of the specialized agencies affiliated to the UN. The International Union of posts with the approval of the Treaty of Bern in 1874, was established. The International Union of post in terms of dating and the history of the second International Organization of the world can be considered.
in 1878 as the union public posts (General Postal Union, or the GPU) has become the International Union of post was. The goal of the Union to help organize and improve postal services in the international level. Now 192 member states of this organization. So far, the document of the establishment of the Union in the year 1969 in the Congress of the Universal Postal Tokyo, Japan. 1974 Congress of the Universal Postal areas. in 1984 Congress of the Universal Postal Hamburg, Germany. 1989 Washington, DC. 1994 Seoul, Korea. in 1999 Beijing and 2004 Bucharest because compliance with the technical developments the review is located. The main headquarters of the Union in Bern., the Switzerland.