The Third Reserve Army of Observation was a Russian army created during 1811 as an impromptu force to watch the Austrian frontier when it became apparent that the Austrian Emperor would possibly send troops into Russia as part of the French invasion of Russia.
[1] Alexander Tormasov took command of the army on 27 March 1812.
[3][4] The Third Western Army, led by Pavel Chichagov, failed to cut off Napoleon's army's retreat, though it followed the French into Poland the following January.
[4] Commander-in-Chief General of the Cavalry Alexander Tormasov Chief of Staff General Major I. N. Inzov General-quartermaster - Colonel R. E. Renni Duty General - Fligel-Adjutant Colonel K. F. Oldekop Chief of Artillery - General Major I. Kh.
Sivers The total strength of the Army was 60 battalions, 76 squadrons, 10 cossack regiments, and 168 guns.