|Wikimedia Commons has media related to 1798 establishments.|
This category is for organizations, places or other things founded or established in the year 1798.
This category has the following 11 subcategories, out of 11 total.
- Buildings and structures completed in 1798 (13 C, 4 P)
- Noble titles created in 1798 (6 P)
- Organizations established in 1798 (6 C, 4 P)
- States and territories established in 1798 (1 C, 21 P)