Those who rejected the Trinity doctrine ​ — some of whom were later called Unitarians, as opposed to Trinitarians — ​ often became the object of intense persecution by Catholics and Protestants alike.
Orang - orang yang menolak doktrin Tritunggal ​ — yang beberapa di antaranya belakangan dikenal sebagai kaum Unitarian, lawan dari kaum Trinitarian ​ — sering kali menjadi sasaran penindasan sengit oleh orang Katolik maupun Protestan.