Historical clue formulations

• Personification of darkness, in Greek myth — 2025-12-28
• Personification of darkness, in Greek myth — 2025-01-08
• Deity born from Chaos — 2022-08-25
• Volcano named after a god of darkness — 2022-08-13
• Greek personification of darkness — 2020-07-24
• Darkness personified — 2019-09-13
• Southernmost active volcano on earth — 2019-07-04
• Largest active Antarctic volcano — 2018-10-14
• Antarctic volcano named for a place in the underworld — 2016-06-28
• God of darkness — 2013-09-25
• Darkness personified — 2009-12-12
• Cavern on the way to Hades — 2005-08-07
• Antarctic observatory mount — 2002-11-07
• Place of darkness on the way to Hades — 1998-03-12
• Darkness personified — 1997-01-17