1950 Minor Sporting/Technical baseline World Championship begins; early baseline regs and evolution starts. https://en.wikipedia.org/wiki/History_of_Formula_One_regulations 1952 Major Technical Championship run to Formula Two specs (big concept shift vs prior F1 rules). https://en.wikipedia.org/wiki/History_of_Formula_One_regulations 1954 Major Power unit New engine formula (2.5L NA / 0.75L supercharged ). https://en.wikipedia.org/wiki/History_of_Formula_One_regulations 1961 Major Power unit New engine formula (1.5L NA era) and associated packaging changes. https://www.formula1.com/en/latest/article/the-key-regulation-changes-in-f1-history-and-the-teams-that-nailed-them.2iq8c5E6S1HOffT5PBLl6i 1966 Major Power unit New engine formula (3.0L NA / 1.5L supercharged ). https://en.wikipedia.org/wiki/History_of_Formula_One_regulations 1983 Major Aero/Chassis Ground effect effectively outlawed with flat-bottom requirement (aero philosophy reset).https://www.formula1.com/en/latest/article/the-key-regulation-changes-in-f1-history-and-the-teams-that-nailed-them.2iq8c5E6S1HOffT5PBLl6i 1989 Major Power unit Turbo engines banned (end of turbo era).https://www.formula1.com/en/latest/article/the-key-regulation-changes-in-f1-history-and-the-teams-that-nailed-them.2iq8c5E6S1HOffT5PBLl6i 1994 Major Tech + Sporting Driver aids restricted/banned (e.g., active systems) + refuelling return era dynamics (car + ops reset).https://www.formula1.com/en/latest/article/the-key-regulation-changes-in-f1-history-and-the-teams-that-nailed-them.2iq8c5E6S1HOffT5PBLl6i 1998 Major Chassis/Tyres Narrower cars + grooved tyres (big grip & concept reset).https://www.formula1.com/en/latest/article/the-key-regulation-changes-in-f1-history-and-the-teams-that-nailed-them.2iq8c5E6S1HOffT5PBLl6i 2005 Minor Tyres/Engines One-set tyre rule (no changes in race) + durability pressure (major strategic/engineering shock). https://en.wikipedia.org/wiki/2005_Formula_One_World_Championship 2006 Major Power unit New engine formula (2.4L V8 era begins). https://en.wikipedia.org/wiki/Formula_One_regulations 2009 Major Aero/Tyres/Hybrid Big aero overhaul + slick tyres return + KERS allowed (concept reset). https://www.formula1.com/en/latest/article/the-key-regulation-changes-in-f1-history-and-the-teams-that-nailed-them.2iq8c5E6S1HOffT5PBLl6i 2010 Minor Sporting/Tech Refuelling banned (strategy + car packaging change; not a new technical era).(General overview) https://en.wikipedia.org/wiki/Formula_One_regulations 2011 Minor Overtaking/Tech + Tyres DRS introduced (racecraft tool changes overtaking dynamics). Also Pirelli becomes sole supplier (tyre behavior reset).DRS: https://en.wikipedia.org/wiki/Drag_reduction_system • Pirelli: https://press.pirelli.com/pirelli-confirmed-as-exclusive-formula-one-tyre-supplier-from-2011/ 2014 Major Power unit 1.6L V6 turbo-hybrid era (PU architecture reset: ERS, fuel flow limits, etc.).https://www.formula1.com/en/latest/article/the-key-regulation-changes-in-f1-history-and-the-teams-that-nailed-them.2iq8c5E6S1HOffT5PBLl6i 2017 Major Chassis/Aero Bigger/wider cars + higher aero load (geometry + performance reset).https://www.formula1.com/en/latest/article/the-key-regulation-changes-in-f1-history-and-the-teams-that-nailed-them.2iq8c5E6S1HOffT5PBLl6i 2018 Minor Safety Halo mandated (safety step; modest performance/packaging impacts).https://www.formula1.com/en/latest/article/halo-protection-system-to-be-introduced-for-2018.2jhITmhSiwkKwOAWOG0UM6 2019 Minor Aero Front/rear wing simplification rules to aid following (aero “reset-lite”). https://www.formula1.com/en/latest/article/f1-rules-and-regulations-what%27s-new-for-2019.2DIt7TEs9YqI8IY6mEcwsM 2021 Minor Financial + Aero + Sporting Cost cap era begins + notable aero floor cuts (big competitive/ops shift). Also Sprint format introduced (weekend structure reset).Sprint: https://www.espn.com/auto/story/_/id/42000222/how-do-f1-sprint-races-work-format-qualifying-more • 2021 regs overview: https://www.formula1.com/en/latest/article/aero-tweaks-new-tyres-and-the-cost-cap-the-2021-f1-rules-and-regulation.r1cq36aI6bvzMeZtiFru3 2022 Major Chassis/Aero Ground-effect era returns (major aero philosophy + 18” wheels; big packaging reset).https://en.wikipedia.org/wiki/History_of_Formula_One_regulations 2023 Minor Aero/Sporting Anti-porpoising follow-ups + Sprint weekend format evolves (continuation, not a new era). Sprint overview (context): https://www.formula1.com/en/latest/article/the-beginners-guide-to-the-f1-sprint.55yJBEiF7vYkZEwSV9lZJ9 2024 Minor Sporting Sprint weekend format tweaked (Sprint Qualifying timing changes).https://www.formula1.com/en/latest/article/the-beginners-guide-to-the-f1-sprint.55yJBEiF7vYkZEwSV9lZJ9 2026 Major Power unit + Chassis/Aero + Overtaking tools Full-package reset : new PU rules + new cars; Active Aero effectively replaces DRS “as we know it” (with new modes like Overtake/Corner/Straight concepts).https://www.formula1.com/en/latest/article/everything-you-need-to-know-about-the-new-f1-rules-for-2026.48bv0VTxhIlhrQXmxercXk • DRS timeline: https://en.wikipedia.org/wiki/Drag_reduction_system