Caption:
World War I 1914 1918-The defeat of Bulgaria in 1918. On the road to defeat. A scene of the route of the Bulgarians in front of the victorious Allied advance that forced the government of Sofia to seek the armistice and the peace. The Kingdom of Bulgaria participated in World War I on the side of the Central Powers from 14 October 1915, when the country declared war on Serbia, until 30 September 1918, when the Armistice of Thessalonica was signed and came into effect. Illustration by Achille Beltrame from La Domenica del Corriere, 1918.