Cathedral of St Louis (Plovdiv) Cathedral of St Louis (Plovdiv) The Cathedral of St Louis (, "katedrala „Sveti Ludvig“") is a Roman Catholic cathedral in the city of Plovdiv, Bulgaria. Co-cathedral of the Diocese of Sofia and Plovdiv together with the Cathedral of St Joseph in Sofia, it is one of the largest and most important Roman Catholic places of worship in the country. It was named after Louis IX of France, commonly known as "Saint Louis". The cathedral was constructed in the 1850s, during the time of vicar Andrea Canova. The first organ in Bulgaria was installed in the cathedral in 1861, later replaced
Plovdiv 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. In 1927 the electrification of Plovdiv has started. 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