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This category has the following 12 subcategories, out of 12 total.
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425:1820s in the United States by city
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197:Category:1820s by continent
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193:Category:1820s by country
224:1820s in Europe by city
460:19th century by city
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455:Decades by city
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401:1829 by city
384:1828 by city
367:1827 by city
350:1826 by city
333:1825 by city
316:1824 by city
299:1823 by city
282:1822 by city
265:1821 by city
248:1820 by city
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444:Categories
191:See also:
48:category
429:(12 C)
450:1820s
405:(2 C)
388:(2 C)
371:(3 C)
354:(1 C)
337:(1 C)
320:(2 C)
303:(1 C)
286:(1 C)
269:(2 C)
252:(2 C)
228:(1 C)
120:1870s
115:1860s
110:1850s
105:1840s
100:1830s
95:1820s
90:1810s
85:1800s
80:1790s
75:1780s
70:1770s
53:1820s
46:This
195:and
183:24th
178:23rd
173:22nd
168:21st
163:20th
157:19th
151:18th
146:17th
141:16th
136:15th
131:14th
59:city
237:0–9
56:by
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414:U
213:*
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