Pēteris Slavens attended from 1893 a Junker-school and entered in the Tsarist Army, and in 1917, he retired as a regimental commander for health reasons and was in various hospitals for treatment.
Pēteris Slavens attended from 1893 a Junker-school and entered in the Tsarist Army, and in 1917, he retired as a regimental commander for health reasons and was in various hospitals for treatment.