Medical support of the foreign armies during the First World War 1914-1918 (To the 100<sup>th</sup> anniversary of the end of war)
The article analyzes the conditions and the main factors that influenced the work of medical services of the largest foreign armies during the First World War. It is shown that the principles of organization of medical support for armies of different countries as a whole did not significantly differ. Data are presented on the system of training medical personnel and the procedure for manning them with an active army. The organization of medical support in the theater of military operations, the separation of the stages of medical evacuation and the volume of medical care rendered to them, the procedure for evacuating the wounded and sick are set out. Despite a number of typical difficulties, the medical supply of the armies of the leading countries was organized at a high professional level and achieved successful results. In the British army, 82% of the wounded and 93% of the patients were returned to the system, up to 75-90% of the sanitary losses in the French army. The First World War had an important impact on the progress of world medical science.