Wikimedia Commons has media related to 1820 establishments.
This category is for organizations, places or other things founded or established in the year 1820.
Subcategories
This category has the following 12 subcategories, out of 12 total.
A
B
E
H
O
P
R
S
Pages in category "1820 establishments"
The following 2 pages are in this category, out of 2 total. This list may not reflect recent changes.