Historical clue formulations

• Prefix with cache — 2026-09-27
• Prefix with physical or politics — 2026-04-07
• Prefix with cache or tag — 2025-12-16
• Prefix with tracking — 2025-12-04
• ___Guessr, hit online game whose players deduce locations from Google Street View images — 2025-09-28
• Nat ___ (channel) — 2025-02-09
• Prefix with -graphic — 2024-12-22
• Prefix with -metric or -logic — 2024-03-19
• ___Guessr, browser game that pulls from Google Street View — 2023-11-25
• Prefix with physics — 2023-08-08
• Nat ___ (nature channel, familiarly) — 2023-06-07
• Prefix with physics or engineering — 2022-10-08
• Prefix with thermal — 2021-12-26
• Bygone Chevrolet division — 2021-08-26
• Prefix with political or physics — 2020-12-15
• Prefix with thermal — 2020-11-25
• Nat ___ (cable channel) — 2020-05-25
• Prefix with political or physics — 2020-03-17
• Nat ___ (documentary channel, for short) — 2020-02-02
• Cable TV's Nat ___ — 2019-11-28
• Prefix with cache — 2019-09-17
• Prefix with metric or magnetic — 2019-08-27
• Prefix with cache — 2019-07-15
• Nat ___ Wild (cable channel) — 2019-07-01
• Former G.M. make — 2019-03-24
• Modern prefix with tag — 2018-12-23
• Prefix with political and science — 2018-06-19
• Prefix with stationary — 2018-02-15
• Nat ___ Wild (cable channel) — 2017-09-03
• Former G.M. compact — 2017-01-24
• Nat ___ (channel) — 2016-08-14
• ___ Metro (bygone car) — 2016-06-08
• Prefix with -centric — 2015-10-11
• Former G.M. make — 2015-06-06
• 1990s G.M. make — 2015-05-19
• Political leader? — 2014-07-18
• Prefix with political — 2014-06-12
• Nat ___ (cable channel) — 2014-06-03
• Former Chevrolet division — 2014-04-20
• Storm producer, once — 2012-11-17
• Prefix with politics — 2012-08-01
• Prefix with magnetic — 2011-10-23
• Prefix with caching — 2011-06-26
• Prefix with thermal — 2010-11-03
• Auto marque of the 1980s-'90s — 2010-09-03
• Prefix with political — 2010-01-14
• Bygone compact — 2009-06-10
• ___ Metro (bygone car) — 2009-03-05
• Prefix with political — 2008-12-28
• Prefix with thermal — 2007-09-05