Category:1919 in science

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Deutsch: 1919 in der Wissenschaft
English: 1919 in science
Español: Ciencia en 1919
Русский: 1919 год в науке
Svenska: Vetenskapsåret 1919

1919 in science 
natural science-related events during 1919
Instance of article about events in a specific year or time period (science, 1918 in science, 1920 in science)
Category combines topics 1919,
Point in time 1919
Authority control
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This category has the following 6 subcategories, out of 6 total.