This Day in History: 0000-12-18

18 Dec – Soldiers from Portuguese Angola in Southern Africa, allied with the local Mbundu and Imbangla warriors, defeated a smaller force from the Kingdom of Kongo at the Battle of Mbumbi (1622).
18 Dec – Members of the American Antarctic Mountaineering Expedition summited Vinson Massif, the highest mountain in Antarctica (1966).