The M1917 Enfield 30 caliber rifle was an American modification and production of the British 303 caliber P-14 rifle during the period 1917 - 1918. The US nomenclature for the M1917 rifle is "US Rifle, cal 30, M1917" but is often called the "American Enfield". It has nothing in common with the British service 303 caliber rifle of c. 1890 - 1955 called the Enfield or "SMLE" (Short Magazine Lee Enfield) except the design location of Enfield arsenal in the UK. Events Diocletian launched the last major persecution of Christians in the Roman Empire; Hierocles was said to have been the instigator of the fierce persecution of the Christians under February 24 - Galerius, Roman Emperor, publishes his edict that begins the persecution of Christians in his portion of the Empire. ... 1917 (MCMXVII) was a common year starting on Monday of the Gregorian calendar (see link for calendar) or a common year starting on Tuesday of the Julian calendar. ... 1918 (MCMXVIII) was a common year starting on Tuesday of the Gregorian calendar (see link for calendar) or a common year starting on Wednesday of the Julian calendar. ... Nomenclature is a system of naming and categorizing objects in a given category. ... Enfield is the name of several places. ... Lee-Enfield No4 Mk1 with bayonet, scabbard attached The Lee-Enfield was the British armys standard bolt action, magazine-fed, repeating rifle from 1895 until 1956. ... Enfield is the name of several places. ... An arsenal is an establishment for the construction, repair, receipt, storage and issue of weapons and ammunition. ...