Historical clue formulations

• Sweeping — 2026-01-22
• Oceanic — 2026-01-14
• Boundless — 2024-06-06
• Like the open sea — 2024-01-14
• Spanning multiple time zones — 2023-04-01
• Like the universe — 2022-01-14
• Oceanic — 2020-07-25
• Limitless — 2020-06-03
• Like the ocean — 2019-08-03
• Widespread — 2017-02-28
• Widespread — 2017-01-10
• Encyclopedic — 2016-03-05
• Seemingly endless — 2015-12-09
• Immense — 2015-09-08
• Encyclopedic — 2014-07-13
• Sweeping — 2014-02-09
• Sweeping — 2010-09-18
• Boundless — 2009-12-16
• Oceanic in scope — 2009-09-01
• Seemingly limitless — 2008-09-16
• Seemingly endless — 2008-06-12
• Wide as the ocean — 2007-12-31
• Seemingly boundless — 2007-01-30
• Huge — 2007-01-01
• Widespread — 2004-05-31
• Widespread — 2003-12-15
• Seemingly boundless — 2003-11-25
• Immense — 2003-06-17
• Like tundras — 2002-12-12
• Broad — 2001-10-25
• Like the Great Plains — 2001-07-25
• Wide-ranging — 1999-11-27
• Huge — 1999-08-22
• Kind of improvement — 1999-05-22
• Huge — 1998-12-14
• Infinite — 1998-06-22
• Extensive — 1998-05-12
• Like Asia's reaches — 1997-05-18
• Like the Sahara — 1997-04-13
• Measureless — 1996-01-08
• Like all outdoors — 1994-09-11