:1798 in Wales

• Lord Lieutenant of Anglesey – Henry Paget{{cite book|author=Edward Breese|title=Kalendars of Gwynedd; or, Chronological lists of lords-lieutenant [&c.] ... for the counties of Anglesey, Caernarvon, and Merioneth|year=1873|page=24}}{{cite book | author=J.C. Sainty | author-link=John Sainty (civil servant) | title=List of Lieutenants of Counties of England and Wales 1660-1974 | publisher=Swift Printers (Sales) Ltd | location=London | year=1979}}{{cite book | last = Nicholas | first = Thomas | title = Annals and antiquities of the counties and county families of Wales | publisher = Genealogical Pub. Co | location = Baltimore | year = 1991 | isbn = 9780806313146 | page=695}}{{cite book|title=Cylchgrawn Hanes Cymru|publisher=University of Wales Press|year=1992|page=169}}
• Lord Lieutenant of Brecknockshire and Monmouthshire – Henry Somerset, 5th Duke of Beaufort{{cite book| author=Edwin Poole|title=The Illustrated History and Biography of Brecknockshire from the Earliest Times to the Present Day: Containing the General History, Antiquities, Sepulchral Monuments and Inscriptions|publisher=Edwin Poole|year=1886|page=378}}
• Lord Lieutenant of Caernarvonshire – Thomas Bulkeley, 7th Viscount Bulkeley{{cite book|author=Edward Breese|title=Kalendars of Gwynedd; or, Chronological lists of lords-lieutenant [&c.] ... for the counties of Anglesey, Caernarvon, and Merioneth|year=1873|page=26}}
• Lord Lieutenant of Cardiganshire – Wilmot Vaughan, 1st Earl of Lisburne
• Lord Lieutenant of Carmarthenshire – John Vaughan
• Lord Lieutenant of Denbighshire – Sir Watkin Williams-Wynn, 5th Baronet
• Lord Lieutenant of Flintshire – Lloyd Kenyon, 1st Baron Kenyon
• Lord Lieutenant of Glamorgan – John Stuart, 1st Marquess of Bute{{cite book | last = Nicholas | first = Thomas | title = Annals and antiquities of the counties and county families of Wales | publisher = Genealogical Pub. Co | location = Baltimore | year = 1991 | isbn = 9780806313146 | page=612}}
• Lord Lieutenant of Merionethshire - Sir Watkin Williams-Wynn, 5th Baronet{{cite book|author=Edward Breese|title=Kalendars of Gwynedd; or, Chronological lists of lords-lieutenant [&c.] ... for the counties of Anglesey, Caernarvon, and Merioneth|year=1873|page=29}}
• Lord Lieutenant of Montgomeryshire – George Herbert, 2nd Earl of Powis
• Lord Lieutenant of Pembrokeshire – Richard Philipps, 1st Baron Milford{{cite DWB|id=s-PHIL-PIC-1491|title=Philipps family, of Picton|author=Bertie George Charles|date=1959|access-date=19 October 2021}}
• Lord Lieutenant of Radnorshire – Thomas Harley{{cite book|author=Jonathan Williams|title=The History of Radnorshire|publisher=R. Mason|year=1859|page=115}}

• Bishop of Bangor – John Warren{{cite book |author=Thomas Duffus Hardy |title=Fasti Ecclesiae Anglicanae: Or A Calendar of the Principal Ecclesiastical Dignitaries in England and Wales...|publisher=University Press |year=1854|page=305}}{{cite book|title=The Monthly Review Or Literary Journal Enlarged|publisher=Porter|year=1780|page=95}}
• Bishop of Llandaff – Richard Watson{{cite book|author=John Henry James|title=A History and Survey of the Cathedral Church of SS. Peter, Paul, Dubritius, Teilo, and Oudoceus, Llandaff|publisher=Western Mail|year=1898|page=16}}
• Bishop of St Asaph – Lewis Bagot{{cite book|title=The Apostolical Succession in the Church of England|publisher=James Parkes and Company|year=1866|page=15}}
• Bishop of St Davids – William Stuart{{cite book|title=Guides and Handbooks|publisher=Royal Historical Society (Great Britain)|year=1939|page=163}}

• March - Historian William Richards returns from Wales to King's Lynn.
• 31 March - George Herbert, 2nd Earl of Powis, becomes Lord Lieutenant of Shropshire;{{London Gazette |issue=15002 |date=27 March 1798 |page=263 }}
• June/August - Clogwyn Du'r Arddu is climbed by Peter Bailey Williams and William Bingley, botanists looking for alpine plants on Snowdon.
• 13 July - William Wordsworth, visiting Wales, writes "Lines composed a few miles above Tintern Abbey on revisiting the banks of the Wye during a tour".Arthur Beatty, William Wordsworth, his doctrine and art in their historical relations, University of Wisconsin Studies #17, 1922, [https://archive.org/stream/williamwordswort00beatuoft#page/64/mode/2up p.64]
• 17 October - First recorded use of the word "tramroad", in the minutes of the Brecon and Abergavenny Canal Company.
• unknown dates
• The Gwyneddigion Society launches its project of publishing ancient Welsh manuscripts.
• William Lort Mansel becomes Master of Trinity College, Cambridge.{{cite book|author1=John Scott|author2=John Taylor|title=The London Magazine ...|url=https://books.google.com/books?id=sn1PAQAAMAAJ&pg=PA236|year=1820|publisher=Baldwin, Cradock, and Joy|pages=236}}
• William Madocks buys the Tan-yr-Allt estate on Traeth Mawr.
• Morgan John Rhys buys a tract of land in the Allegheny mountains of North America for the purpose of founding a Welsh colony, which he names Cambria.{{cite book|author=John Vyrnwy Morgan|title=The Church in Wales in the Light of History: A Historical and Philosophical Study|url=https://books.google.com/books?id=Djo0AQAAMAAJ|year=1918|publisher=Chapman & Hall|page=18}}

• Emily Clark - Ianthé, or the Flower of Caernarvon{{cite book|author=Jane Aaron|title=Nineteenth-Century Women's Writing in Wales: Nation, Gender and Identity|url=https://books.google.com/books?id=h0iuBwAAQBAJ&pg=PA35|date=1 February 2010|publisher=University of Wales Press|isbn=978-0-7083-2287-1|pages=35}}
• Thomas Roberts of Llwyn'rhudol - Cwyn yn erbyn Gorthrymder
• Hester Thrale - Three Warnings to John Bull before he dies. By an Old Acquaintance of the Public{{cite book|author=Elizabeth Edwards|title=English-language Poetry from Wales 1789-1806|url=https://books.google.com/books?id=t4CvBwAAQBAJ&pg=PA51|date=15 February 2013|publisher=University of Wales Press|isbn=978-0-7083-2569-8|pages=51}}
• Richard Warner - Second Walk Through Wales{{cite book|title=The New Cambridge Bibliography of English Literature: Volume 2, 1660-1800|publisher=Cambridge University Press|year=1971|page=1407}}

• Edward Jones (Bardd y Brenin) - Popular Cheshire Melodies{{cite book|author=Enoch Robert G. Salisbury|title=A catalogue of Cambric books at Glan-aber, Chester, A.D. 1500-1799, not mentioned in Rowland's 'Cambrian bibliography' [by E.R.G. Salisbury].|url=https://books.google.com/books?id=K6cIAAAAQAAJ&pg=PT2|year=1873|pages=68}}

• 3 August - Llewelyn Lewellin, first principal of St David's College, Lampeter (died 1878)
• 16 August - Alfred Ollivant, Bishop of Llandaff (died 1882){{cite book|author=John Vyrnwy Morgan|title=Welsh Political and Educational Leaders in the Victorian Era|url=https://books.google.com/books?id=YVs1AQAAIAAJ|year=1908|publisher=J. Nisbet|page=119}}
• date unknown - John Jones Archdeacon of Bangor (died 1863){{alox2|title=Jones, John (100)}}

• 21 June - Edward Evan, poet, 81{{cite DWB|id=s-EVAN-EDW-1716|title=Evan, Edward|access-date=9 November 2021}}
• 6 July - Joshua Evans, Quaker minister of Welsh descent, 66
• 17 November - George Cadogan Morgan, dissenting minister and scientist, 44{{cite web|url=http://www.oxforddnb.com/view/article/19220|title= Morgan, George Cadogan (1754–1798)|last=Thomas|first=D. O. |year=2004|work=Oxford Dictionary of National Biography|publisher=Oxford University Press|accessdate=16 March 2009}}
• 23 November - David Samwell (Dafydd Ddu Feddyg), naval surgeon and poet, 47{{cite book|author1=David Samwell|author2=Nicholas Thomas|author3=Martin Fitzpatrick|author4=Jennifer Newell|title=The death of Captain Cook and other writings|url=https://books.google.com/books?id=lPp-AAAAMAAJ|date=15 July 2007|publisher=University of Wales Press|isbn=978-0-7083-1968-0|page=20}}
• 16 December - Thomas Pennant, naturalist and travel writer, 72{{cite book|author=Samuel Johnson|title=Johnson's Dictionary of the English language, containing many additional words; also, A compendium of chronology [&c.].|url=https://books.google.com/books?id=w1sFAAAAQAAJ&pg=PA253|year=1841|pages=253}}

{{reflist}}

{{Year in Europe|1798}}

Wales

Category:1798 in Europe

Category:1790s in Wales