1821 in Wales

This article is about the particular significance of the year 1821 to Wales and its people.

Incumbents

• Prince of Wales - vacant
• Princess of Wales - vacant

Events

• The new king visits Carmarthen; supporters of his estranged wife start a riot.
• July 27 - Sir Thomas Philipps is created a baronet.
• November - The first edition of Y Dysgedydd appears.
• The first gas street lighting in Wales is installed at Swansea.
• William Madocks obtains an Act of Parliament allowing him to build a port, later known as Porthmadog.

Arts and literature

New books

• John Elias - Golygiad Ysgrythurol ar Gyfiawnhad Pechadur
• Evan Evans (Ieuan Glan Geirionydd) - Pedwar Cyflwr Dyn (translation of a work by Thomas Boston
• David Richards (Dafydd Ionawr) - Cywydd y Dilyw

Music

• Joseph Harris (Gomer) - Casgliad o Hymnau (collection of hymns)

Births

• May 1 - William Latham Bevan, church historian (d. 1908)
• June 24 - Guillermo Rawson, Argentinian politician (d. 1890)
• July 6 - Henry Hussey Vivian, 1st Baron Swansea (d. 1894)
• July 16 - John Jones (Mathetes), preacher and writer (d. 1878)
• November 14 - John Owen (Owain Alaw), musician (d. 1883)

Deaths

• February 16 - Hugh Davies, botanist, 81
• May 2 - Hester Thrale, diarist, 80
• May 21 - John Jones (Jac Glan-y-gors), poet and satirist, 54
• July 13 - Sir Watkin Lewes, lord mayor of London, 81
• August 7 - Caroline of Brunswick, former Princess of Wales (1795–1820), 53
• November - Richard Fenton, poet and author, 74