Coasterpedia:On this day/06 21

2023	Apple Coaster, a steel kiddie roller coaster manufactured by SBF Visa Group, opens at Fantasia Luna Park in Faliraki, South Aegean, Greece
2022	Skyborne, a Drop Tower ride manufactured by S&S Sansei Technologies, opens at Lost Island Theme Park in Waterloo, Iowa, USA
2019	Boule et Bill Déboulent, a steel spinning kiddie roller coaster manufactured by Preston & Barbieri, opens at Parc Spirou Provence in Monteux, Provence-Alpes-Côte d'Azur, France
2014	Ragin' Cajun, a steel spinning wild mouse roller coaster manufactured by Zamperla, opens at Six Flags America in Upper Marlboro, Maryland, USA
2011	WindSeeker, a Wind Seeker ride manufactured by Mondial, opens at Kings Island in Mason, Ohio, USA
2007	Diabelska Pętla, a steel semi-backwards roller coaster manufactured by Soquet, opens at Legendia in Chorzów, Śląskie, Poland Superman: Tower of Power, a Giant Drop ride manufactured by Intamin, closes after 11 years of operation at Kentucky Kingdom in Louisville, Kentucky, USA
2003	Magic Mouse, a steel spinning wild mouse roller coaster manufactured by Reverchon, opens at Fantasia Luna Park in Faliraki, South Aegean, Greece
1975	Fårup Sommerland opens in Blokhus, Nordjylland, Denmark
1958	Wild Mouse, roller coaster, opens at Santa Cruz Beach Boardwalk in Santa Cruz, California, USA
1953	Meteor, a wooden family roller coaster manufactured by Philadelphia Toboggan Coasters, opens at Kiddytown in Norridge, Illinois, USA
1928	Thunderbolt, a wooden roller coaster manufactured by John A. Miller (LeSourdsville) Bennett & Salisbury Company (Moxahala), opens at Moxahala Amusement Park in Zanesville, Ohio, USA
1886	Coney Island opens in Cincinnati, Ohio, USA