November 16, 1621: The Papal Chancery adopts January as the beginning of the calendar year, instead of March.
November 16, 1855: Scottish missionary-explorer David Livingstone first sees and names Victoria Falls (in modern Zimbabwe) during his first missionary journey though Africa (see issue 56: David Livingstone).
August 8, 1471: Thomas a Kempis, Dutch mystic and devotional author of The Imitation of Christ, dies at age 91. In his classic, Thomas wrote, "We must imitate Christ's life and his ways if we are to be truly enlightened and set free from the darkness of our own hearts. Let it be the most important thing we do, then, to reflect on the life of Jesus Christ.
August 8, 1492: Albrecht Durer's art is published for the first time when one of his woodcuts serves as the title page for St. Jerome's letters. ...