The Protestant Reformation was a movement which began in the 16th century as a series of attempts to reform the Roman Catholic Church, but ended in division and the establishment of new institutions, most importantly Lutheranism, Reformed churches, and Anabaptists.
A print of an image that was mde using an engraved plate of block
Knight, Death and the Devil
The French Ambassadors
A distorted image that must be viewed by some special means (Mirror, tilting of the head, from an angle, etc.)