1818 – Bessarabske Bulgarian Danube refugee management committee was created. It made settlements created before 1818 to join Izmail county. Bolgrad was built in 1821-1823 under count Inzov's initiative. It became the center of Bulgarian colonies and important trade claster of Besasrabia. Bolgradskiy district was created in 1940 after Budjak was absorbed by USSR. Before that – those territories were Romanian (1918 – 1940).