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This category has the following 2 subcategories, out of 2 total.
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161:1820s in the United States by state or territory
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102:1820s establishments in Oregon Country
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151:19th century in Oregon
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145:Categories
106:(1 C, 1 P)
130:(1 C)
71:1870s
66:1860s
61:1850s
56:1840s
51:1830s
46:1820s
41:1810s
36:1800s
31:1790s
26:1780s
21:1770s
147::
128:
104:
115:O
91:/
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