More on Bluff Harry from Infoplease:

• Bluff Harry - Bluff Harry or Hal. Henry VIII., so called from his bluff and burly manners (1491, 1509-1547.) ...
• Evil May Day - Evil May Day (1517). So called because of the riots made on that day by the London apprentices, who ...
• Dictionary of Phrase and Fable: B - Definitions, origins, and illustrative excerpts for words, phases, and literary allusions starting with "B"