History of Plovdiv it was re-conquered by George Terter II of Bulgaria in 1322. Byzantine rule was restored once again in 1323, but in 1344 the city was surrendered to Bulgaria by the regency for John V Palaiologos as the price for Ivan Alexander of Bulgaria's support in the Byzantine civil war. In 1364 the Ottoman Turks under Lala Shakhin Pasha seized Plovdiv. The Turks called the city "Filibe". It was the capital of Rumelia until 1382 when the Ottomans captured Sofia, which became the main city of the province. Plovdiv survived as one of the major cultural centers for Bulgarian culture and
Plovdiv Arts; and others. The 2009 International Olympiad in Informatics (IOI) was held at the University of Plovdiv "Paisiy Hilendarski", between 8 and 15 August 2009. The 2009 IOI Honorary Patron was Bulgarian President Georgi Parvanov. Between 1875 and 1906, the Zariphios School was one of the local Greek educational institutions that provided elementary and secondary education. Plovdiv Sports Complex consists of Plovdiv Stadium with several additional football fields, tennis courts, swimming pools, a rowing base with a 2 km-long channel, restaurants, and cafés in a spacious park in the western part of the city just south of the Maritsa river.