The Rise of Ukraine’s Ultra-Nationalist Christian Church
Let’s start at the end. The Patriarchate of Constantinople is creating the 3rd great schism in Christian history by seizing authority resting with the ROC (Russian Orthodox Church) and granting Kyiv independence from Russian Orthodox oversight.
The first schism in Christianity happened in 1054 when Orthodox and Catholic churches split. The second was the fallout from the Protestant Reformation which formed the Protestant churches.