sentences:  The parish of St. Theodosius was organized in Cleveland in 1896 by Carpatho-Rusyn immigrants living in Tremont.The founders had emigrated from Carpathian Ruthenia in Austria-Hungary (now Zakarpattia Oblast in present-day Ukraine) when the tide of Eastern European immigration to the American urban centers of the Northeast and Midwest was at an all-time high.They were originally Ruthenian Greek Catholics (also known as Byzantine Catholics) who became dissatisfied by their affiliation with the Catholic Church and followed Carpatho-Rusyn church leader Alexis Toth into Russian Orthodoxy.