Sorpresa de Arroyomolinos (28 de octubre de 1811) Historical milestone · Arroyomolinos, Comarca de Cáceres, Cáceres Image of Arroyomolinos, not of the place itself. On 28 October 1811, during the Peninsular War, an allied Anglo-Spanish-Portuguese army under the British general Rowland Hill surprised and defeated French troops under General Jean-Baptiste Girard in the village itself. The episode is known as the Battle of Arroyo dos Molinos or 'Sorpresa de Arroyomolinos' (Surprise of Arroyomolinos) and is commemorated every year with a historical re-enactment on the same date. 28 de octubre Photo: 19Tarrestnom65 (CC BY-SA 4.0) What to see and do in Arroyomolinos