CASUALTY RECORD // December 9, 1859
Battle of Sierra Bullones
Estimated casualties — killed, wounded, captured, and missing — by side, with confidence labels per surviving record.
Casualties by side
1 sides catalogued · combined 1,500 estimated
Morocco
1,500
Medium-confidence figure
Battle context
The Battle of Sierra Bullones was the first major engagement of the Hispano-Moroccan War, marking the opening of large-scale combat operations between Spanish and Moroccan forces. Moroccan casualties numbered 1,500, indicating the scale of the clash and suggesting a significant Spanish tactical success in this initial confrontation. As the war's first substantial battle, the outcome set the early tone of the campaign under the command of Juan de Zavala y de la Puente.
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