Dosan Seowon – Confucian Academy, was established in 1574 in Andong, South Korea, in memory of Confucian scholar Yi Hwang by some of his disciples and other Confucian authorities and serves two purposes: education and commemoration. Commemorative ceremonies have been and are still held twice a year and was featured on the reverse of the South Korean 1,000 won bill from 1975 until 2007.