Trinitarian Church

The Trinitarian Church is a  mainly found within the Communist International. In the blue bloc it is considered to be a church in a similar vein as the Methodists or Presbyterians. The Trinitarians themselves claim continuity with the of  and, though they do not claim ; the Trinitarian Church serves as the largest institution for organized christianity in the Communist International.

The roots of the Trinitarian Church lay with an edict issued by Pope Pius XI in 1928 formally condemning socialism and excommunicating known members of the Workers' Communist Party. At the time, European immigrants, many of whom were Catholic, made up a very large proportion of the WCP's support base, causing massive divides among American Catholics, between Vatican loyalists who were either actively anti-communist or who attempted to oppose political involvement, and reformers who defied the Vatican position. The Second American Revolution in 1933 would result in a final severing of ties as anti-communist Vatican-aligned Catholics went underground, and the stranding of the reform factions from the Vatican was finally completed by the resulting global geopolitical rifts. In 1935, reformist Catholics from across America would officially establish the socialist-aligned Trinitarian Church, and would soon be joined by similarly-minded members of other Christian denominations.