Bolesław Euzebiusz Mościcki (14 December 1877 – 18 February 1918) was a Colonel of both the Imperial Russian Army and Polish Army. Born in Wysokie Mazowieckie in the Łomża Governorate of Congress Poland, Moscicki served during World War I in the 1st Uhlan Regiment of the Pulawy Legion. He died on 18 February 1918 near Luninets. In 1902, after graduation from Officer School of the Russian Army, Moscicki was sent to Manchuria, to serve in the Amur Cavalry. He fought in the Russo-Japanese War, and, while still a soldier of the Amur Cavalry, fought in World War I. In 1917 Moscicki was promoted to