The movement is tied to the more radical critiques of the Reformation , Unitarianism began almost simultaneously  in the Polish–Lithuanian Commonwealth and in Transylvania in the mid-16th century; the Christian denomination that emerged is known as the Unitarian Church of Transylvania. Among the adherents were a significant number of Italians who took refuge in Poland.James Hastings Encyclopaedia of Religion and Ethics: Algonquins-Art p 785 – 2001 "The first Unitarians were Italians, and the majority took refuge in Poland, where the laxity of the laws and the independence of the nobility secured for them a toleration which would have been denied to their views in other countries."The encyclopedia of Protestantism 137 Hans Joachim Hillerbrand – 2004 "The so-called Golden Age of Unitarianism in Transylvania (1540–1571) resulted in a rich production of works both in Hungarian and Latin". In the 17th century, significant repression in Poland led many Unitarians to flee or be killed for their faith, notably Katarzyna Weiglowa. From the 16th to 18th centuries, Unitarians in Britain often faced significant political persecution, including John Biddle, Mary Wollstonecraft, and Theophilus Lindsey. In England, the first Unitarian Church was established in 1774 on Essex Street, London, where today's British Unitarian headquarters is still located.Erwin Fahlbusch The encyclopedia of Christianity 5 603 2008 "Lindsey attempted but failed to gain legal relief for Anglican Unitarians, so in 1774 he opened his own distinctly Unitarian church on Essex Street, London, where today's British Unitarian headquarters are still located."
The movement is proximate to the radical reformation , Unitarianism began almost simultaneously among the Polish Brethren in the Polish–Lithuanian Commonwealth and in Transylvania in the mid-16th century; the Christian denomination that emerged is known as the Unitarian Church of Transylvania. Among the adherents were a significant number of Italians who took refuge in Poland.James Hastings Encyclopaedia of Religion and Ethics: Algonquins-Art p 785 – 2001 "The first Unitarians were Italians, and the majority took refuge in Poland, where the laxity of the laws and the independence of the nobility secured for them a toleration which would have been denied to their views in other countries."The encyclopedia of Protestantism 137 Hans Joachim Hillerbrand – 2004 "The so-called Golden Age of Unitarianism in Transylvania (1540–1571) resulted in a rich production of works both in Hungarian and Latin". In the 17th century, significant repression in Poland led many Unitarians to flee or be killed for their faith, notably Katarzyna Weiglowa. From the 16th to 18th centuries, Unitarians in Britain often faced significant political persecution, including John Biddle, Mary Wollstonecraft, and Theophilus Lindsey. In England, the first Unitarian Church was established in 1774 on Essex Street, London, where today's British Unitarian headquarters is still located.Erwin Fahlbusch The encyclopedia of Christianity 5 603 2008 "Lindsey attempted but failed to gain legal relief for Anglican Unitarians, so in 1774 he opened his own distinctly Unitarian church on Essex Street, London, where today's British Unitarian headquarters are still located."
R
tied to the more radical critiques of the Reformation
proximate to the radical reformation
A
among the Polish Brethren