Editing 1799 (section)

=== Date unknown ===
* The Place Royale in Paris is renamed ''[[Place des Vosges]]'', when the Department of Vosges becomes the first to pay new Revolutionary taxes.
* [[Eli Whitney]], holding a 1798 United States government contract for the manufacture of [[musket]]s, is introduced by [[Oliver Wolcott Jr.]] to the  concept of [[interchangeable parts]], an origin of the [[American system of manufacturing]].<ref>{{cite journal|last=Woodbury|first=Robert S.|year=1960|title=The Legend of Eli Whitney and Interchangeable Parts|journal=[[Technology and Culture]]|volume=1|issue=3 |pages=235–253 |doi=10.2307/3101392|jstor=3101392|s2cid=147367529 }}</ref>
* Conrad John Reed, 12, finds what he describes as a "heavy yellow rock" along Little Meadow Creek in [[Cabarrus County, North Carolina]], and makes it a doorstop in his home. Conrad's father John Reed learns that the rock is actually gold in 1802, initiating the first gold rush in the United States.
* The assassination of the 14th [[Tu'i Kanokupolu]], [[Tukuʻaho]], [[Tonga]] begins half a century of civil war in [[Tonga]].
* The [[Nawab]] (provincial governor) of [[Oudh]] in northern India sends to [[George III]] of Great Britain the ''[[Padshah Nama]]'', an official history of the reign of [[Shah Jahan]].
* [[William Cockerill]] begins building [[cotton-spinning machinery|cotton-spinning]] equipment in Belgium.
* The small town of [[Tignish, Prince Edward Island]], Canada is founded.</onlyinclude>