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
Szeged lessened, but as it took over roles that formerly belonged to the now lost cities, it slowly recovered. Following the Loss of Transilvania to Romania, University of Kolozsvár (now Cluj-Napoca, moved to Szeged in 1921 (see University of Szeged). In 1923 Szeged took over the role of episcopal seat from Temesvár (now Timișoara, Romania). It was briefly occupied by Romanian army during Hungarian-Romanian War in 1919. During the 1920s the Jewish population of Szeged grew and reached its zenith. Szeged suffered heavily during World War II. 6,000 inhabitants of the city were killed, the Jewish citizens were confined to ghettos