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Bolsheviks get power
In October 1917, Bolsheviks took over Petrograd(St. Petersburg) which gave them power. -
Period: to
Civil war
A huge civil war broke out between the Bolsheviks and the non-or anti-Bolsheviks (red vs. white) while the state took control of everything, which resulted in poverty and famine. It all cost the lives of around 20 million victims -
The USSR
The Union of Soviet Socialist Republics was founded in 1922, with Lenin as the leader. -
Constitution of the USSR
This was the year of presenting the constitution of the USSR, which included dictatorship as well.
Also, this was the year of Lenin's death. -
Stalin
With the death of Lenin, Stalin took the opportunity to grab the power. -
First 5-year plan
The year Stalin introduced his very first five-year plan after building up his power and position. -
Period: to
Famine
There was a huge famine in the USSR where 7-10 million people died of hunger, especially Ukrainians.