anski and universal mobilization was announced. After the Serbs were defeated in the Serbo-Bulgarian War, Bulgaria and Turkey reached an agreement according to which 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.
Recent history
After the unification, Plovdiv remained the second city in Bulgaria in population and significance after the capital Sofia. The first railway in the city was built in 1874 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 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 the city in development of modern trade, banking and industry. In 1939 there were 16,000 craftsmen and 17,000 workers in manufacturing factories, mainly for food and tobacco processing. During the Second World War the tobacco industry expanded as well as the export of fruit and vegetables. In 1943 1,500 Jews were saved from deportation in concentration camps by the archbishop of Plovdiv, Cyril, who later became the Bulgarian Patriarch.
On 6 April 1956 the first trolleybus line was opened and in the 1950s the Trimontsium Hotel was constructed. In the 1960s and 1970s there was a construction boom and many of the modern neighborhoods took shape. In the 1970s and 1980s antique remains were excavated and the Old Town was fully restored. In 1990 the sports complex "Plovdiv" was finished. It included the largest stadium and rowing canal in the country. In that period Plovdiv became the birthplace of Bulgaria's movement for democratic reform, which by 1989 had garnered
