Commanders of the Siberian corps in 1777-1789 generals N. G. Ogarev and N. S. Fedtsov

The Siberian corps of the Russian Army defended the territories of Western and Eastern Siberia. The purpose of the paper is to study the biographies of the Siberian Corps commanders in 1777-1789, the tasks are to study the biographies of N. G. Ogarev and N. S. Fedtsov, the Siberian Corps generals. The methodological basis of the work is the most important principles of historical science - historicism, scientific objectivity and consistency. The research is based on biographical, descriptive, problem-chronological, structural, quantitative and comparative-historical methods. The results of the study make it possible to restore the main stages of the biographies of the Siberian Corps commanders, Lieutenant General N. G. Ogarev and Major General N. S. Fedtsov. Generals N. G. Ogarev and N. S. Fedtsov belonged to old Russian noble families, landowners. Generals N. G. Ogarev and N. S. Fedtsov were almost the same age and began serving as soldiers in the Guard regiments - Izmailovsky and Horse Guards, which allowed them to become army officers at the age of 20. N. G. Ogarev and N. S. Fedtsov passed the hard school of the Seven Years' War, later participated in the wars with the Ottoman Empire and with the Confederates of Poland. As a result of their participation in these conflicts, officers N. G. Ogarev and N. S. Fedtsov were able to make a successful military career in the Russian army. The Military Collegium promoted N. G. Ogarev and N. S. Fedtsov to generals and sent them to command the distant Siberian Corps. In Siberia, the generals carried out the transformation of the military forces of the Siberian Corps according to the plan by the president of the Military College, Field Marshal G. A. Potemkin.