PFC Lokomotiv Plovdiv teams are the most supported ones in the second largest city in Bulgaria. Botev is one the country's oldest teams, whereas Lokomotiv grew popular in the 70s. Traditionally, Lokomotiv drew support from the lower working classes of society whereas Botev drew support form the middle and upper classes, although that no longer applies. Another rivalry Lokomotiv Plovdiv has is with one of Bulgaria's most successful football clubs - CSKA Sofia. The rivalry has a geopolitical nuance, first because of the historical competition between the cities of Plovdiv and Sofia as cultural, political and economical centres, and second because of the
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