Question: When was the 1st Earl of Ypres born who attacked attacked the Boer force from the rear while mounted infantry?
Sentence (from "John French, 1st Earl of Ypres"): Field Marshal John Denton Pinkstone French, 1st Earl of Ypres (28 September 1852 – 22 May 1925), known as Sir John French from 1901 to 1916, and as The Viscount French between 1916 and 1922, was a senior British Army officer.
Relevant evidence: Yes