Historical clue formulations

• Earth's pull, informally — 2026-09-12
• Force holding us onto Earth, informally — 2026-05-12
• Universal donor's type, informally — 2025-12-11
• Earth's pull, in brief — 2025-09-30
• Much-desired blood type, for short — 2025-07-20
• Type that's compatible with everyone, in brief — 2025-05-17
• Downward force on earth, informally — 2025-03-26
• Universal donor's blood type, for short — 2024-08-21
• Universal donor's blood type, briefly — 2024-05-20
• Universal donor's designation, informally — 2024-01-21
• Universal blood type, for short — 2023-10-22
• Universal donor's blood type, in brief — 2022-05-10
• Universal donor's blood type, informally — 2021-11-14
• Ten C-notes — 2021-10-29
• 25-Across on Earth, in brief — 2021-10-08
• Force on Earth, in brief — 2021-02-26
• Rare blood type, for short — 2020-12-28
• Universal donor's blood type, in brief — 2020-12-27
• What "exaggerated" is sometimes misspelled with — 2020-12-17
• Universal donor's blood type, informally — 2020-06-16
• Force on Earth — 2020-06-12
• Ten C-notes — 2020-03-30
• Universal donor type, for short — 2019-01-29
• Force on earth, in brief — 2018-01-28
• Force on Earth, informally — 2017-05-07
• Downward force felt on the surface of the earth, informally — 2015-12-14
• Rare blood type, for short — 2015-06-29
• Natural thing to feel — 2015-01-10
• It's normal for NASA — 2014-09-21
• Universal donor's type, informally — 2013-09-10
• Pull felt on Earth — 2013-05-10
• You can feel it on the ground, informally — 2013-01-19
• Universal donor's blood type, briefly — 2012-07-05
• Universal donor's type, briefly — 2012-02-25
• Fairly uncommon blood type, informally — 2012-02-22
• Certain blood type, for short — 2011-09-13
• Pull from the ground, quickly? — 2011-05-14
• A thousand bucks — 2011-01-19
• Infrequent blood type, informally — 2010-11-18
• Force felt on earth, for short — 2010-08-19
• Blood designation, briefly — 2010-06-04
• Force felt on the earth, informally — 2010-02-22
• Force felt on earth — 2009-05-28
• Blood type, briefly — 2008-10-06
• NASA force unit, briefly — 2008-09-17
• Universal donor blood type, for short — 2008-05-06
• 10 C-notes — 2008-04-09
• Universal donor blood type, for short — 2006-05-07
• Blood designation, for short — 2006-02-19
• Normal force felt on earth — 2004-02-04