Sumy - Regional Center Slobozhanshchina. There is an important industrial and cultural center of the state. The city is situated on the river Psyol. Number of residents is 270 thousand. It is believed that the city of Sumy was founded by Cossacks settlers, mostly from Kiev. 1652 - founding date of Sumy. History Sum is closely related to 1648 - 1654 years. Then on the modern city fought the liberation war led by Bohdan Khmelnytsky. Not insignificant impact on the lives of Sumy had events Great Northern War. There was Peter and his army. Peace was the key to the prosperity of the city. Today Sumy - a powerful industrial center. Although Sumy young city, but to this day preserved Church of the Resurrection - like Cossack Baroque (XVII - XVIII c.), The first urban stone temple. Another gem of architecture in the city is the Transfiguration Cathedral. It combines elements of classical and renaissance. Also in Sumy is the twin brother of St. Isaac's Cathedral in St. Petersburg - Trinity Cathedral. Since 1960, in the museum of Chekhov.