Three Orthodox bodies in America are the largest: Russian ... and are now known as the Orthodox Church in America. The Antiochian Orthodox conference in Pittsburgh continues the process of ...

Converts make up more than a quarter of the Greek Orthodox Archdiocese, the largest Orthodox Church in the country, and a majority of the second-largest Orthodox Church, according to a 2008 study.

The Polish Autocephalous Orthodox Church is the second-largest religion in Poland. According to various estimates, there are 500,000 to 600,000 Orthodox believers, and over 320 churches scattered all ...

More than 200 million Christians are associated with Orthodox Churches and most celebrate Christmas on 7 January.

or from the largest Orthodox Church, the Russian Orthodox Church. This synod synchronized the new calendar with the Gregorian calendar by specifying that the next 1 October of the Julian calendar ...