guided by the purposes and principles of the Charter of the United Nations and the Vienna Declaration and Programme of Action, adopted at the World Conference on Human Rights on 25 June 1993,42 and recalling its resolution 2217 A (XXI) of 19 December 1966 on the International Year for Human Rights, specifically its recommendation that a prize or prizes should be awarded, for the first time, on 10 December 1968, on the occasion of the celebration of the twentieth anniversary of the Universal Declaration of Human Rights and that, thereafter, prizes should not be awarded more often than at five-year intervals: