International Fair Plovdiv International Fair Plovdiv International Fair Plovdiv (), held in Plovdiv, is Bulgaria's largest and oldest international trade fair. It was established in August 1892 as an industrial and agricultural show. During its first year, the Plovdiv Fair had an exhibition area of 90,000 m², participants from 24 countries and 162,000 visitors during its two and a half months. A National Industrial Exhibition was organized in 1933 that had 424 exhibitors and 120,000 visitors, being the first sample fair in Plovdiv. A second followed in 1934, when the Plovdiv Fair was proclaimed permanent and the only in Bulgaria on 16 May.
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