On September 5, 2014, Plovdiv was selected as the Bulgarian host of the European Capital of Culture 2019.This happened with the help of the Municipal Foundation "Plovdiv 2019″, a non-government organization, which was established in 2011 by Plovdiv's City Council whose main objectives were to develop and to prepare Plovdiv's bid book for European Capital of Culture in 2019.Because of these hills, Plovdiv is often referred to in Bulgaria as "The City of the Seven Hills".Plovdiv is host to a huge variety cultural events such as the International Fair Plovdiv, the international theatrical festival "A stage on a crossroad", the TV festival "The golden chest," and many more novel festivals, such as Night/Plovdiv in September, Kapana Fest, and Opera Open.and subsequently was invaded by Persians, Greeks, Celts, Romans, Goths, Huns, Bulgars, Slavs, Rus people, Crusaders, and Turks.On January 4, 1878, Plovdiv was liberated from Ottoman rule by the Russian army.
The earliest signs of habitation on the territory of Plovdiv date as far back as the 6th millennium BCE. It is an important economic, transport, cultural, and educational center.There is evidence of habitation in Plovdiv dating back to the 6th millennium BCE when the first Neolithic settlements were established; it is said to be one of the oldest cities in Europe.Summer (mid May to late September) is hot, moderately dry, and sunny with a July and August having an average high of 33 °C (91 °F). The average depth of snow coverage is 2 to 4 cm (1 to 2 in), and the maximum is normally 6 to 13 cm (2 to 5 in), but some winters coverage can reach 70 cm (28 in) or more. The days are mild and relatively warm in mid spring.Plovdiv sometimes experiences very hot days which are typical in the interior of the country. Autumn starts in late September; days are long and relatively warm in early autumn. The average January temperature is −0.4 °C (31 °F). The average relative humidity is 73% and is highest in December at 86% and lowest in August at 62%.