Caption:
The Eastern Question. Serbian-Turkish Wars (1876-1878). Serbia declared war on the Ottoman Empire on June 30, 1876. Detachment of Russian Cossacks marching towards the Prut river line and Bessarabia region. The Cossacks were light cavalry troops of the Russian army. Engraving. La Ilustracion Espa–ola y Americana, December 15, 1876.