// todo need optimize like in event.jsp. Add indexing or not indexing this page. 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 jan 1921 ano – 31 dez 1921 ano) (Linha do tempo)
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AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
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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 jan 1921 ano – 31 dez 1921 ano)

Adicionado na linha do tempo:

Data:

1 jan 1921 ano
31 dez 1921 ano
~ 12 months