Historical clue formulations

• Series of messages on social media — 2026-06-15
• Theseus' need in the Labyrinth — 2025-01-26
• Work one's way through, as a maze — 2021-01-02
• Series of tweets — 2020-03-27
• Series of online comments — 2015-05-13
• Item used by 13-Across to navigate the 22-Across — 2015-01-07
• It may get stuck in an eye — 2011-12-18
• Bookbinder's material — 2009-09-05
• Filament — 2005-04-03
• Spiraling part — 2003-08-10
• Sewer line? — 2002-07-09
• Screw feature — 2000-08-16
• Filament — 1995-03-28