Raden Adjeng[1] Kartini (21 April 1879 – 17 September 1904), also known as Raden Ayu Kartini, was a prominent Indonesian activist who advocated for women's rights and female education. Her birthday is now celebrated in Indonesia as Kartini Day in her honor, as well as multiple schools being named after her and a fund being established in her name to finance the education of girls in Indonesia.