The Augsburg Confession

The confession of faith which was submitted to His Imperial Majesty Charles V at the Diet of Augsburg in the Year 1530 by Philip Melanchthon

The composition now known as the Augsburg Confession was laid before the Diet of Augsburg in 1530 and would come to be considered perhaps the most significant document of the Protestant Reformation. (Wikipedia)

Philip Melanchthon (1497-1560) was a German professor and theologian, a key leader of the Lutheran Reformation, and a friend and associate of Martin Luther