About the book: 2001 / These are notes about the military affairs of Cossack formations and units on the Caucasian Front during the First World War. About the exploits of commanders and ordinary soldiers, their destinies, Cossack traditions and customs, way of life, features of military service. The Cossacks fought through half of Turkey, fought in Persia, watered their horses in the Tigris and Euphrates... Notes of F. I. Eliseev are published for the first time in our country.