Concerning the question about the losses of the Ukrainian Cossacks of Ivan Mazepa during a siege and assault of the Turkish fortress of Kazikermen in 1695

As the documents, containing the registers of armies of 17th century has saved only fragmentary, the study about quantity of troops and soldiery losses is one of the most difficult in the military history. The point of view was so, that losses by the killed and wounded during the first Azov-Dnieper campaign in 1695 have been not known. An author on the basis of archival documents study the questions of history of medicine of the Ukrainian Cossacks at the end of 17th century. Three tables are presented in the article, with the information about the losses of Cossacks: killed, wounded, fatally wounded and drowned, also the types of wounds are studied and from what weapon and where Cossacks were wounded or killed. These information can be used for the further analysis of actions of Cossacks and reconstruction of a siege and assault of the Turkish fortress Kazikermen. It will give the opportunity to suppose, where the regiments of hetman were located during the siege, to educe on the most dangerous areas and role which was played by every separate regiment in a whole battle.