1st Warsaw Fortress Infantry Regiment

The 1st Warsaw Fortress Infantry Regiment (1-й Варшавский крепостной пехотный полк or 1-y Varshavskiy Krepostnoy Pekhotnyy Polk) was a fortress infantry battalion later regiment of the Imperial Russian Army.

History
In 1863, the Ivangorod Fortress Battalion was formed at Ivangorod Fortress as a defence infantry regiment. By 1865 the battalion was renamed as the Warsaw Fortress Battalion and in 1878 was the 23rd Reserve Infantry Battalion. In 1889, the battalion was renamed as the 1st Warsaw Fortress Infantry Battalion. By 1884, the battalion was expanded and became the 1st Warsaw Fortress Infantry Regiment. In 1908 the 7th-10th Companies formed part of the new 206th Salyan Infantry Regiment. In 1910, the regiment was reduced to a battalion and then in 1908, the 6th Company formed part of the 204th Ardagano-Mikhailovsky Infantry Regiment.

Upon mobilisation for World War I, the battalion was composed of 4 companies and under the Warsaw Fortress' Command. Under this command, the battalion was under the Warsaw Military District. The fortress' command was unofficially known as the Warsaw Fortress Infantry Brigade. Upon mobilisastion, the battalion was disestablished and the members joined other local militia and reserve battalions.

Background
Before mobilisation for World War I, the army's fortress infantry regiments and battalions were attached to the Opelchenie (Militia) and were only used for fortress defence and military police duties in the rear if needed. Each battalion was called a Imperial Militia Battalion or Drujini and controlled 4 companies plus a small detachment of fortress machine-gun artillery. It had 14 Officers, 3 Officials, 957 Conbatants, and 26 Non-Combatants and NCO's.

Commanders

 * 1908—1909 Polkovnik Adam Ivanovich Bogatsky