Internationally known Gyula Horn in 1989 by the opening of the Iron Curtain: Hungary had begun on April 18, dismantle the border fences to Austria. On June 13, the talks began on ' round table ' in Hungary. On 27 June horn average in Sopron, together with his Austrian counterpart Alois Mock the border fence in a symbolic act on August 19, 1989 was approved by the Hungarian Pan-European Picnic held in which several hundred East Germans arrived in Austria. This encouraged in the weeks after thousands of GDR citizens to try crossing the border from Hungary to Austria; Thousands traveled for to East Germany.
Horn announced on Hungarian television on September 10 that Hungary will allow many GDR citizens who stayed in the country to leave the country. He was instrumental in the fall of the Berlin Wall on 9 November.
After an apprenticeship as a mechanic, he studied from 1949 to 1954 at the Academy of Finance in Rostov ( Soviet Union). Then he held until 1959 in various posts at the Hungarian Ministry of Finance.
He participated in 1956 as a member of the "quilt Jack Brigade" (Hungarian pufajkások ) in the persecution of the Hungarian insurgent uprising. The quilted jacket brigade was used as a means to carry out the purges after the uprising. With reference to the horn participation in these actions President Laszlo Solyom denied him the 2007 award of the Great Hungarian Order of Merit on the occasion of his 75th birthday.
Horn joined in 1959 in the diplomatic service of the Foreign Ministry, where he (Magyar Szocialista Munkáspárt ) was from 1969 to 1982 Employees, from 1974 Deputy Head of the Department of Foreign Affairs of the Central Committee of the MSZMP. In 1982 he was promoted to head of this department, and in 1985 Secretary for Foreign Affairs.
1989 Horn was finally in the Cabinet of Prime Minister Miklós Németh Foreign Minister of Hungary. In 1990, after the deselection, he became a deputy in the Hungarian Parliament and party leader of the Hungarian Socialist Party (MSZP ). From 1994 to 1998 he was then Hungarian Prime Minister. His premiership was characterized by radical economic reforms (see Bokros package).
In Wertheim am Main ( Baden- Württemberg) has been around since 2001, a street named after him, which is remarkable, since only rarely streets are named for their lifetime, according to people in Germany.
In 2003 Gyula Horn was one of the founders of the initiated by Mikhail Gorbachev 's World Political Forum.
After the celebrations of his 75th birthday in the summer of 2007 Gyula Horn suffered a breakdown and was admitted for treatment in a military hospital in Budapest. On 9 October 2007, the Hungarian daily Népszabadság reported in its online edition erroneously death horn. After six years of treatment, he died in June 2013 in a government health center.