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This category has the following 13 subcategories, out of 13 total.
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Peter the Great
Military Academy of the Strategic Missile Forces
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The following 2 pages are in this category, out of 2 total.
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443:States and territories established in 1820
257:Buildings and structures completed in 1820
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459:Pages in category "1820 establishments"
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170:Category:1820 disestablishments
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160:1870s
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