20th: The king who had an emperor for his foot-stool.

21st: The conqueror of the conqueror of Napoleon.

22d: The inventor of gunpowder.

23d: The king who entered the enemy’s camp, disguised as a harper.

24th: The greatest English navigator of the eighteenth century.

25th: The inventor of the art of printing.

26th: Whom Napoleon called “the bravest of the brave.”

27th: Who first discovered that the earth is round.

28th: The diplomatic conqueror of Napoleon.

29th: The inventor of the reflecting telescope.