Historical clue formulations

• Pavlov known for canine experiments — 2026-08-03
• Anora's husband in "Anora" — 2026-04-10
• Denisovich or Ilyich of Russian literature — 2026-02-10
• ___ Bunin, 1933 Literature Nobelist from Russia — 2025-11-14
• Tennis great Lendl — 2025-07-08
• Any of six Russian monarchs — 2024-05-26
• Tommy in the Hockey Hall of Fame — 2024-03-22
• "Terrible" czar — 2023-10-24
• "Terrible" tsar — 2023-08-01
• Pavlov with a Nobel Prize — 2023-02-04
• Nobelist Pavlov — 2022-07-20
• "Ghostbusters" director Reitman — 2022-06-27
• "Terrible" czar — 2022-02-14
• First czar of Russia — 2021-08-25
• ___ the Terrible — 2020-11-30
• ___ Drago ("Rocky IV" villain) — 2020-11-25
• Any of several Russian czars — 2020-09-07
• The fourth one was "terrible" — 2020-08-12
• ___ Drago, foe of Rocky Balboa — 2020-06-04
• Nobelist Pavlov — 2019-10-06
• "Terrible" Russian despot — 2019-06-10
• ___ Drago, opponent of Rocky in "Rocky IV" — 2019-04-13
• Turgenev who wrote "Fathers and Sons" — 2019-03-27
• Man's name that spells a fictional people backward — 2019-02-23
• John, abroad — 2018-11-22
• "Terrible" czar — 2018-09-05
• ___ the Terrible — 2018-02-26
• With 21-Across, U.S. Open champ of 1985-87 — 2017-07-15
• Nobelist Pavlov — 2017-06-28
• Boxer Drago of "Rocky IV" — 2017-05-30
• Pavlov with a Nobel — 2017-04-05
• The middle Karamazov brother — 2016-12-10
• ___ the Terrible — 2016-08-29
• Scientist Pavlov — 2015-10-04
• Novelist Turgenev — 2015-08-05
• "Terrible" Russian autocrat — 2015-03-23
• Winnipeg's ___ Franko Museum — 2013-08-02
• Author Turgenev — 2013-06-12
• ___ the Terrible — 2011-09-05
• Tolstoy character ___ Ilyich — 2011-06-10
• Tennis great Lendl — 2011-04-27
• "Terrible" czar — 2010-10-19
• Scientist Pavlov — 2010-05-30
• The Terrible ___ — 2010-04-01
• Director Reitman — 2010-03-03
• Nobelist Pavlov — 2009-11-09
• "Rocky IV" villain ___ Drago — 2009-10-17
• Lendl of tennis — 2009-06-09
• Tolstoy's "The Death of ___ Ilyich" — 2009-05-24
• "Terrible" czar — 2009-03-09