Szeged III. In the second century AD there was a Roman trading post established on an island in the Tisza, and the foundations of the Szeged castle suggest that the structure may have been built over an even earlier fort. Today only one corner of the castle still remains standing. During the Mongol invasion the town was destroyed and its inhabitants fled to the nearby swamps, but they soon returned and rebuilt their town. In the 14th century, during the reign of Louis the Great, Szeged became the most important town of Southern Hungary, and – as the Turkish armies got
Third-country economic relationships with the European Union is considered part of the EU single market. Iceland has also signed the Schengen treaty. On 16 July 2009, Iceland applied to join the European Union. Liechtenstein joined the EEA in 1995 and participates in the EU single market. Switzerland referendum to join the EEA in 1992 failed, so Swiss products do not participate in the European single market. However the country recently negotiated two series of bilateral agreements with the Union. The first series, Bilateral Agreements I, consists of seven bilateral agreements and was signed in 1999 (entry into force in 2001), the main part being Free Movement of