Apr 3 Francesco Antommarchi, Napoleon's physician on St Helena, dies at 57
Apr 6 Jeremiah Ingalls, early North-American choir master and composer (Farewell Hymn), dies at 72
Apr 6 José Bonifácio de Andrada, Brazilian statesman, dies at 74
Apr 11 Piet Uys [Petrus Lafras Uys], Dutch Afrikaner Voortrekker pioneer (the Great Trek from Cape of Good Hope to interior South Africa), killed during the Battle of Italeni against the Zulus at 40
Apr 17 Johanna Schopenhauer, German writer and mother of Arthur Schopenhauer, dies at 71