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This category has the following 5 subcategories, out of 5 total.
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1:
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18:Category:1820 endings
215:1820 establishments
294:Beginnings by year
239:1820 introductions
171:1820 animal births
301:
289:1820s beginnings
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151:Subcategories
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219:(13 C, 2 P)
191:1820 births
278:Categories
259:1820 ships
243:(1 C, 2 P)
195:(1,662 P)
263:(27 P)
175:(1 C)
140:1870s
135:1860s
130:1850s
125:1840s
120:1830s
114:1820s
108:1810s
103:1800s
98:1790s
93:1780s
88:1770s
284:1820
77:1825
72:1824
67:1823
62:1822
57:1821
52:1820
47:1819
42:1818
37:1817
32:1816
27:1815
280::
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241:
217:
193:
173:
252:S
228:I
204:E
184:B
160:A
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