Historical clue formulations

• Rightmost hour on a grandfather clock — 2026-07-05
• The third — 2026-02-22
• LX ÷ XX — 2024-06-12
• Kid often nicknamed "Trey" — 2023-10-15
• Last installment of "The Godfather" (for now) — 2023-08-27
• The last pope Julius — 2022-12-29
• Right on the dial of a grandfather clock? — 2022-10-26
• Three on a grandfather clock — 2022-08-01
• Division ___, lowest level of the N.C.A.A. — 2022-05-22
• "East" on a grandfather clock — 2021-10-26
• It can be found right on a clock — 2021-05-22
• Jr.'s son, maybe — 2021-05-20
• Shakespeare's "Richard ___" — 2020-12-16
• The final installment of "The Godfather" — 2020-10-18
• Three on a sundial — 2020-08-25
• Roman triumvirate? — 2020-06-07
• Sequel to a sequel — 2020-04-16
• First Super Bowl to be called "Super Bowl" — 2020-02-22
• :15 number — 2020-02-19
• Article of the Constitution that provides for the Supreme Court — 2018-07-26
• Three on a sundial — 2018-07-16
• Jr.'s son — 2018-01-26
• Jr.'s junior — 2017-12-13
• Three on a grandfather clock — 2017-10-09
• XXX divided by X — 2017-09-13
• Due east on an old clock dial — 2017-09-10
• Senior's grandson — 2017-09-06
• The Richard in a Shakespeare title — 2017-03-16
• Three on a grandfather clock — 2017-01-02
• The last "Back to the Future" — 2016-12-29
• Super Bowl whose pregame show honored the Apollo astronauts — 2016-06-04
• Sundial three — 2016-02-23
• First Super Bowl to be called "Super Bowl" — 2015-11-13
• Roman trio — 2015-06-09
• See 39-Across — 2014-12-27
• Trailer for "Rocky" or "Rambo"? — 2014-10-23
• Certain grandson — 2014-03-13
• Three on a grandfather clock — 2014-01-20
• See 27-Across — 2013-12-22
• Britain's last King Richard — 2013-12-12
• The last King Richard — 2013-11-18
• Clock face number — 2013-02-10
• First Super Bowl that was actually called a Super Bowl — 2012-11-14
• Jr.'s junior — 2012-09-10
• "East" on a grandfather clock — 2012-08-13
• "Superman ___" — 2012-07-25
• Rightmost number on a grandfather clock — 2012-03-12
• Junior Jr. — 2012-02-18
• The last Pope Julius — 2011-12-04
• Rightmost number on a grandfather clock — 2011-08-15