Historical clue formulations

• Dominican poet Pedro ___ — 2026-03-28
• First modular space station — 2025-08-05
• Precursor of the International Space Station — 2025-07-17
• Space station from 1986 to 2001 — 2024-12-22
• Onetime Russian space station — 2024-05-01
• Peace, in Russian — 2024-01-07
• Former Russian orbiter — 2023-11-02
• Peace, in Russian — 2023-08-16
• Orbiter until 2001 — 2023-01-13
• "Es tut ___ leid" ("I'm sorry," in German) — 2022-07-08
• Largest artificial satellite in orbit, before 9-Down — 2021-12-01
• Onetime Russian space station — 2021-09-01
• Plunger into the Pacific Ocean in 2001 — 2021-04-23
• Russian space station until 2001 — 2020-09-28
• Docking site during the 1980s-'90s — 2020-06-19
• Soviet space station — 2020-03-25
• Literally, "peace" — 2020-01-11
• Bygone Russian space station — 2019-11-04
• See 10-Down — 2019-10-26
• Russian for "peace" — 2019-08-11
• Russian "peace" — 2018-12-23
• Old space station — 2018-11-28
• It made a big splash in 2001 — 2018-10-06
• Onetime Russian space station — 2017-12-11
• 1986-2001 Earth orbiter — 2017-10-03
• It went around for 15 years — 2017-09-22
• Station that people once looked up to — 2017-08-19
• Orbiter until 2001 — 2017-08-02
• Putin's peace — 2017-07-30
• Russian for "peace" — 2017-07-04
• Russian peace — 2017-05-07
• Russian space station — 2017-04-11
• With 57-Down, no-no #3 — 2016-07-21
• I.S.S. forerunner — 2016-02-21
• Old Russian space station — 2016-01-12
• Red orbiter — 2015-06-28
• Peace, to Pushkin — 2015-06-21
• Old Russian space station — 2015-04-13
• It fell after 15 years — 2015-03-28
• Onetime Russian space station — 2015-03-23
• Follower of Salyut 7 — 2015-03-07
• Once-high station? — 2014-11-23
• It came down in 2001 — 2014-09-14
• Space station until 2001 — 2014-06-17
• Yuri's "peace" — 2013-12-01
• Border — 2013-08-29
• Old Russian space station — 2013-08-26
• Peace abroad — 2013-02-09
• Soviet launch of 1986 — 2013-01-15
• It was in orbit for 15 years — 2012-11-15