United Kingdom 1900 1901 1902 The Battle of Poplar Grove (Afrikaans: Slag van Modderrivierpoort) was an incident on 7 March 1900 during the Second Boer War in South Africa.

The commander-in-chief of the Free State forces, Christiaan de Wet, in his book called the chapter on the subject "Wild Flight from Poplar Grove".

After the Battle of Paardeberg on the Modder River, the Boer commander, General Cronje, surrendered on 27 February.

He gathered his commandos at Poplar Grove, about ten miles upstream of Paardeberg and on the way to Bloemfontein, the capital of the Orange Free State.[2]: p.

De Wet hastily assembled his burghers in sangars which straddled the Modder River along a line of hillocks, about ten miles wide.[3]: p.

On 7 March President Kruger of the Zuid-Afrikaansche Republiek arrived at Poplar Grove to visit his remaining burghers.

French, the cavalry division, some mounted infantry units and the horse artillery with 42 guns, carried out their order.

Sir Arthur Conan Doyle wrote of it: "The plan of action was based, however, upon one supposition which proved to be fallacious.