[15] A list of the great European painters would include at least the following names: Durer (1471-1582 A.D.) and Hans Holbein the Younger (1497-1543 A.D.) in Germany; Rubens (1577-1640 A.D.) and Van Dyck (1599- 1641 A.D.) in Flanders; Rembrandt (1606-1669 A.D.) in Holland; Claude Lorraine (1600-1682 A.D.) in France; and Velásquez (1599-1660 A.D.) and Murillo (1617-1682 A.D.) in Spain.

[16] See the illustration, page 442.

[17] The three-hundredth anniversary of Shakespeare's death was appropriately observed in 1916 A.D. throughout the world.

[18] See page 572.

[19] See page 133.

[20] See page 571.

[21] Not to be confused with his countryman, Roger Bacon, who lived in the thirteenth century. See page 573.

[22] See page 436.

[23] See page 541.

[24] A similar plague devastated the Roman world during the reign of Justinian.