1531

Major events of 1531 AD include:
* September: Philipp Melanchthon writes, and Martin Luther revises, the Apology of the Augsburg Confession.
* November 9: Martin Luther. Jr, fourth child of Martin Luther, born
* Lutheran princes create the Schmalkaldic League, which goes to war with the Holy Roman Empire under Charles V. Martin Luther's Warnung an die lieben Deutschen openly advocates resistance in a righteous cause.
*Sir Thomas Moore refers to religious adversaries as "Evaungelicalles," possibly the first reference to Evangelicalism.
*Debates begin between Protestants and Catholics over the nature of the Eucharist
Category:16th century