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1820s establishments in Illinois
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This
category
is for organizations, places or other things founded or established in
Illinois
in the decade
1820s
.
1770s
1780s
1790s
1800s
1810s
1820s
1830s
1840s
1850s
1860s
1870s
14th
15th
16th
17th
18th
19th
20th
21st
22nd
23rd
24th
Subcategories
This category has the following 10 subcategories, out of 10 total.
0–9
1820 establishments in Illinois
(6 P)
1821 establishments in Illinois
(7 P)
1822 establishments in Illinois
(4 P)
1823 establishments in Illinois
(7 P)
1824 establishments in Illinois
(4 P)
1825 establishments in Illinois
(11 P)
1826 establishments in Illinois
(8 P)
1827 establishments in Illinois
(14 P)
1828 establishments in Illinois
(2 P)
1829 establishments in Illinois
(8 P)