What year did the polish brethren show up ?
At the anti-Trinitarian synod at Węgrów on December 25 , 1565 Georg Schomann , Matthias Albinus and Gregory Pauli took positions against Arianism , the belief in the pre-existence of Christ , marking the beginnings of characteristic Socinian belief ( although ) Fausto Sozzini did not arrive in Poland till 14 years later in 1579 .