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Category
:
638 in science
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Deutsch:
638 in der
Wissenschaft
English:
638 in
science
Español:
Ciencia
en 638
Македонски:
Науката
во 638 година
Русский:
638 год в
науке
Slovenščina:
638 v
znanosti
Svenska:
Vetenskapsåret
638
Science in the 630s
632
636
638
Subcategories
This category has only the following subcategory.
*
638 in geography
(1 C)