Coasterpedia:On this day/04 11

2025	Masters of Spinjitzu, a spinning roller coaster manufactured by Mack Rides, opens at Legoland Korea in Chuncheon, Gangwon-do, South Korea
2022	Biber-Hopser, a junior drop tower ride manufactured by Zierer, opens at Traumland auf der Bärenhöhle in Sonnenbühl, Baden-Württemberg, Germany Igel-Karussell, a roundabout ride manufactured by ART Engineering, opens at Traumland auf der Bärenhöhle in Sonnenbühl, Baden-Württemberg, Germany Traumland-Feuerwehr, a track ride ride manufactured by Metall-Technik-Kirschner, opens at Traumland auf der Bärenhöhle in Sonnenbühl, Baden-Württemberg, Germany Traumland-Kran, a Tower ride manufactured by Sunkid, opens at Traumland auf der Bärenhöhle in Sonnenbühl, Baden-Württemberg, Germany
2019	Knappenrutsche, a body water slide manufactured by Klarer Freizeitanlagen, opens at Aquapark Oberhausen
2014	Angkor, a splash battle ride manufactured by Mack Rides, opens at PortAventura Park in Salou and Vila-seca, Tarragona, Catalonia, Spain
2011	Roller Coaster, a steel inverted roller coaster manufactured by Beijing Shibaolai Amusement Equipment, opens at Tianjin Shuishang Park in Nankai, Tianjin, China
2009	Achtbaan, a steel kiddie roller coaster manufactured by Zierer, opens at Mondo Verde in Landgraaf, Limburg, Netherlands
2003	Many Adventures of Winnie the Pooh, a tracked dark ride ride, opens at Disneyland Park in Anaheim, California, USA Penguin's Blizzard River, a spinning raft ride manufactured by WhiteWater West, opens at Six Flags America in Upper Marlboro, Maryland, USA
2000	Comerica Park opens with 2 rides in Detroit, Michigan, USA
1998	Gyro Drop, a drop tower ride manufactured by Intamin, opens at Lotte World in Jamsil-Dong, Songpa-Gu, Seoul, South Korea
1990	Vampire, a steel suspended roller coaster manufactured by Arrow Dynamics, opens at Chessington World of Adventures in Chessington, Greater London, England, UK
1987	Vortex, a steel roller coaster manufactured by Arrow Dynamics, opens at Kings Island in Mason, Ohio, USA