Technically speaking, the Catholic Church became schismatic and split from the Orthodox Church in 1054. This is taught in Orthodox churches as The Great Schism, and the fact that later on the Hussites, Lutherans, Calvinists, and all the other Protestant denominations split from the Catholics is just viewed as schismatics splitting from other schismatics.
Technically speaking, the Catholic Church became schismatic and split from the Orthodox Church in 1054. This is taught in Orthodox churches as The Great Schism, and the fact that later on the Hussites, Lutherans, Calvinists, and all the other Protestant denominations split from the Catholics is just viewed as schismatics splitting from other schismatics.