Battle of Shipka Pass

The Battle of Shipka Pass consisted of four battles that were fought between the Russian Empire, aided by Bulgarian volunteers known as opalchentsi, and the Ottoman Empire for control over the vital Shipka Pass during the Russo-Turkish War (1877–1878). The final battle is known as the battle of Shipka-Sheynovo or simply the battle of Sheynovo (Russian: Шипко-Шейновское сражение; Bulgarian: Шейновска битка).