Catholics who refused to give them back; the lack of pastors was acute till the end of the 1950s. Some Polish Reformed stayed in the West rather than come back to a Communist regime and formed the London Reformed Polish Church, that existed till 1991. Notes External links Official website of the Polish Reformed Church Official website of the parish in Łódź Official website of the church in Poznan Official website of the church in Wroclaw Official website of the 16th century parish in Zychlin Christian denominations in Lithuania Protestantism in Poland Reformed denominations in Europe Protestant denominations established in the 16th century