Today, 103 years ago, on March 7, 1922 (February 9, 1922), Dr. Schleswig, the inventor of local anesthesia in surgery, died. On March 7, 1922, the famous physician of local anesthesia, Carl Gervich Schleswig, opened a new chapter in the sanatorium near Solovj Biskov. Before the discovery of anesthesia, the biggest obstacle to surgical treatment was painful pain. In 1844, French ophthalmologist Cole dropped cocaine into the eye of the patient, received a perfected local anesthesia in the cornea and conjunctive membrane, thereby opening a new chapter of local anesthesia. In 1885, American scientist Holsted proposed the concept of an outsider neuropsychiatrist who could be injected into the neuropath