1800 in Wales

Centuries:	16th; 17th; 18th; 19th; 20th;
Decades:	1780s; 1790s; 1800s; 1810s; 1820s;
See also:	List of years in Wales; Timeline of Welsh history 1800 in Great Britain Scotland Elsewhere

This article is about the particular significance of the year 1800 to Wales and its people.