In bringing about the fall of the Turkish, Austrian, and Russian empires, World War I provoked significant changes in the structures of the Eastern Orthodox Church. On the western borders of what was then the Soviet Union, in the newly born republics of Finland, Estonia, Latvia, and Lithuania, the Orthodox minorities established themselves as autonomous churches. The first three joined the jurisdiction of Constantinople, and the Lithuanian diocese remained nominally under Moscow. In Poland, which then included several million Belorussians and Ukrainians, the ecumenical patriarch established an autocephalous church (1924) over the protests of Patriarch Tikhon. After World War II ...(100 of 21255 words)