Plovdiv city was possibly at times a vassal of Bulgaria or Venice. Ivan Asen II conquered the duchy finally in 1230 but the city had possibly been conquered earlier. Afterwards, Plovdiv was conquered by Byzantium. According to some information, by 1300 Plovdiv was a possession of Theodore Svetoslav of Bulgaria. It was conquered from Byzantium by George Terter II of Bulgaria in 1322. Andronikos III Palaiologos unsuccessfully besieged the city, but a treaty restored Byzantine rule once again in 1323. In 1344 the city and eight other cities were surrendered to Bulgaria by the regency for John V Palaiologos as the
Plovdiv founded in the late 19th century. It possesses 5,000 pieces of art in four buildings. Since 1981, it has had a section for Mexican art donated by Mexican painters in honour of the 1,300-year anniversary of the Bulgarian State. On 5 September 2014, Plovdiv was selected as Bulgarian host of European Capital of Culture in 2019. The city will co-host the event with Matera and another city (yet to be decided). After Plovdiv was elected as European Capital of Culture in 2019, an ambitious cultural program has started its realisation. According to this program, there will be an Island of