May 3, 1900 - 3 May 1900 - Anglo-Boer War 2: General Lord Roberts departs from Bloemfontein and begins the 'March to Pretoria' with almost 44000 men, 18000 horses, and 1200 field-guns. He leaves to the strains of " We are marching to Pretoria" which is heard for ...3 May 1900 - Anglo-Boer War 2: General Lord Roberts departs from Bloemfontein and begins the 'March to Pretoria' with almost 44000 men, 18000 horses, and 1200 field-guns. He leaves to the strains of " We are marching to Pretoria" which is heard for the first time. (Cloete: The Anglo-Boer War: a Chronology) http:// africanhistory.about.com/library/thisweek/bl-