The Soviet
government first introduced conscription for the Red
Army during the Civil War on 29th
May, 1918. The Act of Compulsory Military Service became law in August,
1930, and stated that conscription should start at the age of twenty-one.
This was reduced to nineteen in 1936 and the length of service was
increased to four years. On the outbreak of the Second
World War the age of military conscription was lowered to eighteen
for youths without secondary education.

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