Historical clue formulations

• Really, really big — 2024-05-05
• Expansive — 2021-03-06
• Sea-dwelling — 2018-04-08
• Vast — 2017-01-28
• Fictional airline on "Lost" — 2010-06-23
• Vast — 2008-12-13
• Vast — 2004-07-25
• Like some currents — 2003-10-02
• Sea-dwelling — 2000-06-27
• Vast — 2000-04-16
• Like the QE2 — 1997-01-16
• Vast — 1996-11-30
• Relating to the sea — 1995-07-31