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
FC Maritsa Plovdiv which flows past Plovdiv. The club is particularly famous for its renowned youth program that has produced many Bulgarian talents over the years – Hristo Stoichkov, Dinko Dermendzhiev, Aleksandar Aleksandrov. Bulgarian national first-team players Georgi Georgiev, Kostadin Vidolov, Krassimir Chomakov, Valeri Domovchiyski, Yordan Todorov, Asen Nikolov had also came through the ranks at Maritsa. In 2016–17 Third League season Maritsa Plovdiv finished second in their regional division, but gained promotion, because the first ranked team – FC Zagorets declined the offer to participate in the Second Professional League. On 16 June 2017 the club signed a contract with Botev Plovdiv