Historical clue formulations

• Captain Ahab, e.g. — 2018-11-07
• The Pequod, e.g. — 2014-11-23
• The Pequod, e.g. — 2009-09-13
• Ahab, for one — 2005-10-30
• Queequeg's craft — 2003-04-10
• Ahab, e.g. — 2000-08-30
• Capt. Ahab or his ship — 1998-08-04