Plovdiv Treaty of San Stefano on 3 March 1878, the Principality of Bulgaria included the lands with predominantly Bulgarian population. Plovdiv which was the biggest and most vibrant Bulgarian city was selected as a capital of the restored country and for a seat of the Temporary Russian Government. Great Britain and Austria-Hungary, however, did not approve that treaty and the final result of the war was concluded in the Congress of Berlin which divided the newly liberated country into several parts. It separated the autonomous region of Eastern Rumelia from Bulgaria, and Plovdiv became its capital. The Ottoman Empire created a
History of Plovdiv and the Day of Plovdiv. After Unification Plovdiv remained the second city in population and significance after the capital Sofia. The first railway in the city was built in 1874 and after 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 was inaugurated in the city. In the beginning of the 20th century Plovdiv grew as a significant industrial and commercial center with well-developed light and food industry. German, French and Belgian capital was invested in