Category:20th century by continent
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This category has the following 17 subcategories, out of 17 total.
- ► 20th century in Europe (38 C, 5 P)
- ► 20th century in North America (21 C, 1 P)
- ► 20th century in Oceania (4 C)
- ► 20th century in South America (12 C, 1 P)