Union of Evangelical Congregational Churches in Bulgaria
Elias Riggs, he became influential in the translation of the Bible into the Bulgarian language.Cyrus Hamlin and Christipher Rhinelander Robert arrived in 1857, they were followed by Rev.Hamlin and morse established 3 missionary centres in Plovdiv, Odrin and Stara Zagora.[3] The American evangelists served the country till the Second World War.In southern Bulgaria, there were 19 congregations in 1909 and these churches formed a legal association.