 In July 1922, Soewardi established the Taman Siswa school in Yogyakarta, a Javanese educational movement that strove to provide education for the native population.When he reached 40 years of age, according to the Javanese beliefs based upon Javanese calendar, he was required to change his name to ward of misfortunes that might befell upon him.Thus he choose "Ki Hadjar Dewantara" as his new name.