5th Siberian Howitzer Artillery Division

The 5th Siberian Howitzer Artillery Division (5-й Сибирский Мортирный Артиллерийский дивизион) was a short lived howitzer, (in Russian called "Mortirnie" or Mortars), artillery regiment of the Imperial Russian Army formed in Siberia.

History
In 1905, the 10th Howitzer Artillery Division was formed and had the following structure: By 1906, the regiment moved to Dubovskaya near Amur. In 1907, the regiment was renamed (in accordance with their move) to the 5th Eastern Siberian Howitzer Artillery Division assigned directly to the 1st Siberian Army Corps based in Spasskoe. By 1910, following the major reforms of the army, the regiment lost their "Eastern" title. Just before mobilisation for World War I, the regiment was still based in Spasskoe and was the corps artillery regiment of the 1st Siberian Army Corps, it had the following structure: Upon mobilisation, the regiment moved to the 5th Siberian Army Corps where they remained part of the for the rest of the war. During the war the regiment and corps were part of the following armies and fronts: By January of 1918, the regiment was disbanded following the October Revolution..
 * 1st Battery - From 3rd Battery, 4th Howitzer Artillery Division
 * 2nd Battery - From 4th Battery, 4th Howitzer Artillery Division
 * Regimental Headquarters and Headquarters Battery
 * 1st Division
 * Divisional Staff
 * Signals Section
 * Reconnaissance Section
 * 1st Battery
 * 2nd Battery
 * 1st Line Transportation
 * 2nd Line Transportation
 * 2nd Division
 * Divisional Staff
 * Signals Section
 * Reconnaissance Section
 * 3rd Battery
 * 4th Battery
 * 1st Line Transportation
 * 2nd Line Transportation
 * October 1914—June 1915 1st Army - Northwestern Front
 * June 1915—August 1915 2nd Army - Central Group, Northwestern Front
 * August 1915—1917 2nd Army - Western Front
 * 1917—1918 8th Army - Southwestern Front

The Regiment's two known commanders were:
 * Colonel Waldemar Richardovich Gilzeback
 * Colonel Vasily Nikolayevich Kastyurin