|Wikimedia Commons has media related to 1800 establishments.|
This category is for organizations, places or other things founded or established in the year 1800.
This category has the following 12 subcategories, out of 12 total.
- Awards established in 1800 (1 P)
- Buildings and structures completed in 1800 (12 C, 12 P)
- Hotels established in 1800 (1 P)
- Noble titles created in 1800 (52 P)
- Organizations established in 1800 (6 C, 5 P)