Plovdiv reached an agreement that the Principality of Bulgaria and Eastern Rumelia had a common government, Parliament, administration, and army. Today 6 September is celebrated as the Unification Day and the Day of Plovdiv. After the unification, Plovdiv remained the second most populous city in Bulgaria after the capital Sofia. The first railway in the city was built in 1874 connecting it with the Ottoman capital, and in 1888, it was linked with Sofia. In 1892 Plovdiv became host of the First Bulgarian Fair with international participation which was succeeded by the International Fair Plovdiv. After the liberation, the first brewery
Plovdiv derby Plovdiv derby The Plovdiv derby is the derby in Bulgarian football between Botev Plovdiv and Lokomotiv Plovdiv. It is named after the city, where both clubs are located. Plovdiv derby is the name given to a football match played between two Plovdiv clubs. Although the name is mostly used to describe the match between the city's two most successful clubs, Botev and Lokomotiv, there is another derby match known as "The small Plovdiv derby", contested between Spartak and Maritsa. • Total: Botev Plovdiv with 41 higher finishes, Lokomotiv Plovdiv with 29 higher finishes (as of the end of the 2017–18