• 1898: Kenny's Grove purchased on December 18 by Monongahela Street Railway Co. Merry-Go-Round and Wurlitzer Band Organ renovated, Swing Around, Garden Stage, Kiddie Cadillacs, and Ham-on-Rye Theatre removed • 2006:
Swing Shot opens, Flying Carpet removed • 2007:
Cosmic Chaos and
SS Kenny open, Gold Rusher removed, park sold to Parques Reunidos • 2008: Ghostwood Estate and new games building in Kiddieland open, WipeOut relocated to Lake Compounce • 2009:
Bayern Kurve opens, portions of Phantom's Revenge retracked, Turnpike and King Kahuna removed • 2010:
Sky Rocket and Kenny's Kabanas open • 2011: Kandy Kaleidoscope, Parkside Cafe, and Star Refreshment remodeled, Merry-Go-Round horses and Wurlitzer Band Organ refurbished, Holiday Lights debuts, Noah's Ark rerouted,
Pitt Fall removed • 2012:
Black Widow opens • 2013: Carousel Food Court removed • 2014:
Johnny Rockets opens, Playdium Arcade removed • 2015: 4-D Theater opens • 2016: Noah's Ark renovated, Volcano removed, former Lake Compounce Enterprise ride opens and is renamed Volcano • 2017: Sky Rocket VR experience debuts during Phantom Fright Nights, Floral Clock and Log Jammer removed • 2018: Thomas Town opens, Olde Kennywood Railroad rethemed to coincide with Thomas Town, Sky Rocket closed for maintenance all season • 2019: Part of the Steelers Country section opens with
Steel Curtain, Sky Rocket reopens, Black Widow is closed for maintenance all season, Pounce Bounce and Orbiter removed • 2020: The rest of Steelers Country opens with the Steelers Experience and End Zone Cafe, Garfield's Nightmare rethemed to Old Mill, all Garfield theming removed, Floral Clock returns, Black Widow and Steel Curtain closed all season, limited operating hours and Phantom Fright Nights cancelled due to
COVID-19 pandemic, five rides removed after the season (Bayern Kurve, Kangaroo, Kenny's Parkway, Paratrooper, and Volcano), Volcano Valley themed area removed • 2021: Black Widow and Steel Curtain reopen, some attractions remain temporarily closed for the season due to COVID-19, Phantom Fall Fest debuts • 2022: Phantom's Revenge track repainted, the park begins a three-year celebration of its upcoming 125th anniversary, Kangaroo returns due to popular demand following a renovation, Old Mill receives a new facade, two new seasonal events (Swing Into Spring and Summer's On) debut, Speedy Pass
virtual queue system is introduced replacing the previous V.I.P. Coaster Tour system, all attractions that were closed due to COVID-19 reopen except for Skycoaster, the 4-D Theater, and Raging Rapids • 2023: Spinvasion debuts alongside a new Area 412 themed section, Raging Rapids reopens after year-long renovation, Steel Curtain closed half the season, Aero 360 closed for maintenance all season, Johnny Rockets closes, 4-D Theater and Skycoaster remain closed all season, Elephant Parade and S.S. Kenny removed • 2024: Gran Prix rethemed and renamed Potato Smash, Aero 360 reopens, Steel Curtain closed for the season for "an extensive modification project", Johnny Rockets replaced with Carousel Burger Co. • 2025: Thomas Town re-themed to Kennywood Junction, Eggcellent Celebration debuts, Steel Curtain is set to reopen, park is sold to
Herschend • 2026: All-American Summer event is hosted to celebrate the 250th anniversary of the United States == Recognition ==