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This category is for organizations, places or other things founded or established in the year 1721.
See also: Category:1721 disestablishments
This category has the following 8 subcategories, out of 8 total.
- ► Buildings and structures completed in 1721 (5 C, 4 P)
- ► Noble titles created in 1721 (14 P)
- ► Organizations established in 1721 (4 C)