Historical clue formulations

• *8th — 2026-08-25
• God who aids the Trojan fleet in the first book of the "Aeneid" — 2026-08-02
• Only planet in the solar system not visible to the naked eye — 2025-08-19
• Trident-wielding god of the sea — 2023-07-18
• The eighth of eight — 2022-05-01
• Triton's locale — 2015-12-05
• Astronomical body after which element #93 is named — 2014-11-02
• Roman god of horses — 2013-08-13
• Great Dark Spot locale — 2010-01-01
• It was first observed in 1846 — 2007-11-02
• Poseidon, to the Romans — 2003-04-02
• Great Dark Spot locale — 1999-10-23
• 1846 Johann Galle discovery — 1998-03-21
• Where Triton is — 1996-12-29
• The sea personified — 1996-02-18
• Trident carrier — 1995-05-10
• Voyager II subject — 1994-05-12