sentences:  The first brewery in Varna dates back to 1884, when the contractors Kasabov and Vtichev opened up a small factory.The professional Czech brewer Franz-František Milde established the Shumensko beer factory in Shumen in 1882, and helped found the Bulgarian Brewing Association the same year.Jiří Prošek and his brothers founded the Vitosha brewery in Sofia in 1884; they also bought Ducorp's small brewery and owned the Dalbok Zimnik cellar.