Historical clue formulations

• See 101-Across — 2026-09-20
• Coldest possible temperature on the Kelvin scale — 2026-09-14
• Number of years that George Washington lived in the White House — 2026-07-07
• Number not representable by Roman numerals — 2026-05-26
• Zilch — 2025-12-01
• Zip — 2025-02-20
• Diddly-squat — 2025-01-26
• It lacks value — 2023-01-01
• Goose egg — 2022-09-05
• It doesn't mean a thing — 2021-11-23
• Goose egg — 2020-08-11
• Worst possible mark on a test — 2020-07-21
• Digit in binary code — 2020-02-10
• The "x" in Euler's Identity: e^(i*pi) + 1 = x — 2019-03-12
• Absolute nobody — 2019-03-08
• Any digit in a googol after the first one — 2019-02-25
• 32° Fahrenheit, in Celsius — 2017-10-08
• Home (in on) — 2017-02-22
• Abysmal score — 2017-01-18
• Loser, informally — 2016-06-30
• Nonentity — 2015-08-28
• It's nothing — 2015-05-19
• "___ Dark Thirty" — 2014-04-21
• One minus one — 2014-04-07
• Open love? — 2013-12-07
• Lowest of the low? — 2013-10-05
• Complete loser — 2013-06-16
• Nonentity — 2013-05-16
• One goes after it — 2013-03-17
• Worthless sort — 2011-09-07
• Sum of opposites — 2011-04-27
• 0 — 2010-12-06
• Complete bomb on a test — 2010-01-10
• Nobody — 2009-11-26
• Absolute nobody — 2009-09-11
• Number of calories in water — 2009-08-24
• Home (in on) — 2009-05-25
• Total loser — 2009-05-19
• It turns a hundred into a thousand — 2009-04-08
• Much-repeated part of binary code — 2008-07-05
• A round number ends in it — 2008-06-18
• "Beetle Bailey" soldier — 2008-01-27
• Home (in on) — 2007-08-27
• Loser — 2006-11-30
• Complete drip — 2006-10-04
• It's nothing at all — 2005-12-12
• Abysmal grade — 2005-06-22
• Bubkes — 2005-03-10
• Part of binary code — 2005-01-09
• Nil — 2003-12-25