| 18th Sapper Battalion|
18th Engineer Regiment
Flag of the Battalion/Regiment
|Allegiance||Emperor of Russia, later President of the Russian Republic|
In 1894 the 18th Sapper Battalion was formed but officially compiled on 31 October 1894. The battalion the consisted of the following:
- Battalion Headquarters
- Military Telegraph Company (new formed)
- 1st Sapper Company - former 2nd Company from Demining Grenadier Sapper Battalion
- 2nd Sapper Company - former 5th Company from Grenadiers Sapper Battalion
- 3rd Sapper Company - former 4th Company from 2nd Caucasian Sapper Battalion
Upon formation, the battalion was assigned to the 1st Sapper Brigade and stationed in St Petersburg. By 1905 the battalion formed a 4th company and later added. In 1910, when the Sapper Brigades were disestablished the battalion joined the 18th Army Corps and stayed in St Petersburg.
The battalion was assigned to the following corps during World War I: 9th Army, 4th Army, 9th Army (again), in 1916 the 4th company was redesignated as a searchlight section. 7th Army, 9th Army, 8th Army. By 1917 the battalion was renamed as the 18th Engineer Regiment and reformed by the Russian Republic and moved to the Carpathians directly assigned to the Southwestern Front, later the corps joined the 1st Army. Finally in September 1917 the battalion joined the 8th Army. Following the October Revolution, the regiment was disbanded and never reformed.