Protestant Doctrine: Calvinism Calvinism is a major branch of orthodox Protestantism that emerged in the sixteenth century, primarily developed by the French theologian John Calvin. Mike October 26, 2025 Share this: Share on Facebook (Opens in new window) Facebook Share on X (Opens in new window) X Print (Opens in new window) Print Email a link to a friend (Opens in new window) Email Calvinism is a major branch of orthodox Protestantism that emerged in the sixteenth century, primarily developed by the French theologian John Calvin. Like this:Like Loading… Post navigation Previous: The 39 Articles – ExpandedNext: External evidence for Jesus Related Stories James Talarico – The Bible is Silent on Abortion. Mike May 29, 2026 0 May 27, Anglicans around the world commemorate John Calvin Mike May 26, 2026 0 Catholicism & Protestantism Mike May 25, 2026 0