Tuesday Sep 19, 1961 Ndola, Northern Rhodesia, Federation of Rhodesia and Nyasaland (now Ndola, Zambia)
While traveling to meet rebel leader Moise Tshombe during the conflict, Dag Hammarskjöld, often named as one of the UN's most effective Secretaries-General, died in a plane crash; months later he was posthumously awarded the Nobel Peace Prize.
