// todo need optimize like in event.jsp. Add indexing or not indexing this page. 1921 - By the beginning of 1921, money has lost 96% of its pre-war value; industrial production has fallen to 10% of its 1913 level. The population of Petrograd has fallen from 2.5 million in 1917 to 600,000 in 1920. (1 янв 1921 г. – 31 дек 1921 г.) (Лента времени)
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1921 - By the beginning of 1921, money has lost 96% of its pre-war value; industrial production has fallen to 10% of its 1913 level. The population of Petrograd has fallen from 2.5 million in 1917 to 600,000 in 1920. (1 янв 1921 г. – 31 дек 1921 г.)

Добавлено на ленту времени:

8 фев 2018

Дата:

1 янв 1921 г.
31 дек 1921 г.
~ 12 months