Historical clue formulations

• Olden days — 2026-07-06
• No time like the present — 2026-05-09
• Time gone by — 2026-05-03
• Yesteryear — 2025-08-11
• Days long past — 2025-05-23
• Days long ago — 2024-08-20
• Days past — 2024-02-21
• Antiquity — 2023-08-31
• Long ago — 2021-09-22
• Antiquity — 2021-03-09
• Time long gone — 2020-07-06
• Days of old — 2020-05-24
• Long ago — 2020-04-14
• Time long past — 2020-04-07
• Old days — 2020-01-02
• "Auld Lang Syne" time — 2019-12-29
• Days of old — 2019-08-09
• Time long past — 2019-07-30
• Days gone by — 2019-02-15
• Days of ___ — 2019-02-11
• Long past time? — 2019-01-22
• Days long gone — 2018-07-13
• Bygone times — 2018-03-12
• Times long, long ago — 2017-09-18
• Time long ago — 2017-06-09
• Knight time? — 2016-12-12
• Days of old — 2016-12-05
• Bygone days — 2016-09-08
• Days long past — 2016-03-09
• Old — 2015-10-24
• The olden days — 2015-07-12
• Days of ___ (past times) — 2015-01-26
• Days of ___ — 2014-10-21
• Days gone by — 2014-09-14
• Days long gone — 2014-02-21
• Long ago — 2013-05-01
• Days of long ago — 2013-04-29
• Old — 2012-08-25
• Yesteryear — 2012-04-08
• Days long past — 2012-03-19
• Times past — 2011-07-31
• Old — 2011-02-19
• Days of King Arthur's Round Table, e.g. — 2010-04-19
• Days of old — 2010-02-28
• Days of ___ — 2009-10-27
• Arthurian times, say — 2009-07-29
• The olden days — 2009-05-17
• Knight time? — 2008-03-10
• Days of ___ — 2008-01-30
• Olden times — 2007-12-31