Historical clue formulations

• Star that's actually three stars — 2022-11-04
• Rightmost symbol on Alaska's state flag — 2022-10-08
• Guiding light — 2018-10-20
• Guiding light — 2016-07-28
• North Star — 2010-05-17
• Star in Ursa Minor — 2009-02-25
• Pilot light? — 2008-02-15
• Guiding light — 2004-04-22
• Underwater missile — 2002-11-15
• Guiding light? — 1999-09-18
• Submarine-launched missile — 1999-03-21
• Sub-launched missile — 1996-04-05
• Guiding light — 1995-11-19
• Mariner's guide — 1993-11-27