Plaid Cymru 100

A meeting is held to establish Plaid Genedlaethol Cymru (the Welsh National Party) during the National Eisteddfod of Wales in Pwllheli.

Minute book 1925-1932 (Archif Plaid Cymru A26)

Lewis Valentine stands in an election in the name of Plaid Genedlaethol Cymru for the first time and wins 609 votes in the Caernarfonshire constituency.

Lewis Valentine's election address (Welsh Political Ephemera Collection A4/1)

Plaid Genedlaethol Cymru adopts the Triban as its logo.

Minute book 1932-1938 (Archif Plaid Cymru A27)

Saunders Lewis, Lewis Valentine and D. J. Williams commit a symbolic act of arson at the RAF Bombing School at Penyberth to protest against the military development of a site of Welsh cultural importance.

Paham y Llosgasom yr Ysgol Fomio (Archif Plaid Cymru O26-27)

Plaid Genedlaethol Cymru protests against the establishment of a Bombing School at Porth Neigwl.

Protest against the establishment of a Bombing School at Porth Neigwl (XJN1193 W46)

Pamphlet outlining the aims and current programme of Plaid Genedlaethol Cymru (XJN1193 W46)

Outbreak of the Second World War. Plaid Genedlaethol Cymru opposes conscription.

Pamphlet for an anti-conscription meeting (Welsh Political Ephemera Collection A4/1)

Saunders Lewis stands in the University of Wales By-election, winning 1,330 votes.

Saunders Lewis' election address (Welsh Political Ephemera Collection A4/1)

Gwenan Jones, the first woman to stand for Plaid Cymru in a General Election, wins 1,696 votes in the University of Wales constituency.

Gwenan Jones' election address (Welsh Political Collection A4/1)

Gwynfor Evans is elected as President of Plaid Cymru.

Gwynfor Evans by Alfred Janes (CCC PFC5a/6)

The Constitution and Standing Orders of the Welsh Nationalist Party 1945 (Archif Plaid Cymru O041)

The Battle for Wales (Archif Plaid Cymru O1140)

Plaid Cymru rally Welsh Parliament in Five Years.

A Plaid Cymru rally in Machynlleth where the Parliament for Wales in Five Years campaign was launched (Casgliad Geoff Charles Collection)

The Parliament for Wales Campaign is launched.

Senedd i Gymru (Archif Plaid Cymru O450)

Policy for Welsh Agriculture (Archif Plaid Cymru O104)

Liverpool Corporation plans to flood the Tryweryn valley to create a new reservoir, spark protests.

Rali Plaid Cymru, 1956 (XJN1193.W46)

Protest in Liverpool attempting to stop the flooding of the Tryweryn Valley (Casgliad Geoff Charles Collection)

Letter sent by Gwynfor Evans to the Liverpool Corporation (Archif Plaid Cymru B672/ii)

We Learn from Tryweryn (Archif Plaid Cymru O106)

80 Cwestiwn ac Ateb 3rd Ed. (Archif Plaid Cymru O102)

As concern grows worldwide about the proliferation of nuclear weapons, Plaid Cymru Women's Section make the case against them.

Y Cwestiwn Mawr (Welsh Political Ephemera Collection A4/2)

Emrys Roberts stands in the Ebbw Vale By-election caused by the death of Aneurin Bevan.

Pictures from the Ebbw Vale By-election campaign (Casgliad Geoff Charles Collection)

Saunders Lewis makes a radio address "Tynged yr Iaith" (The fate of the language) which leads to the formation of Cymdeithas yr Iaith Gymraeg and protests in favour of the official recognition of the Welsh language.

General Election. 

Policy statement issued to candidates (Papurau Plaid Cymru Rhanbarth Ceredigion 37)

Plaid Cymru's first party political broadcast.

Gwynfor Evans is elected Plaid Cymru's first Member of Parliament in the Carmarthen By-election.

Rhyddid i Gymru; Gwynfor Evans's maiden speech in Parliament (Archif Plaid Cymru O53)

Vic Davies come second in the Rhondda West By-election with 39.9% of the vote.

Phil Williams comes second in the Caerphilly By-election with 40.4% of the vote. 

Phil Williams' election address (Welsh Political Ephemera Collection A4/2)

General Election.

Manifesto: Action for Wales (Archif Plaid Cymru O255)

Plaid Cymru Party Election Broadcast

(ITV Wales Archive)

The Constitution of Plaid Cymru (Archif Plaid Cymru O68)

Two General Elections are held. Dafydd Wigley and Dafydd Elis Thomas are elected as Members of Parliament for Caernarfon and Meirionnydd in the General Election held in February 1974. 

Pictures of the February 1974 general election result in the Arfon constituency (Casgliad Geoff Charles Collection)

Manifesto (February 1974): Rich Welsh or Poor British: (Alwyn D Rees F39)

Gwynfor Evans is re-elected as MP for Carmarthen in the October 1974 General Election.

Manifesto (October 1974): Power for Wales (Archif Plaid Cymru 01294)

Colofnau'r Ddraig 1926-1976 (Archif Plaid Cymru O235)

Wales votes against the Government's devolution proposals in a referendum on St David's Day.

Various publications and ephemera from the referendum campaign (Welsh Political Ephemera Collection C3/12)

A Conservative Government under the leadership of Margaret Thatcher is elected in the General Election.

Manifesto: A Future for Wales (XJN1193P69)

Plaid Cymru stands candidates in the first elections to the European Parliament.

Manifesto: A Voice for Wales in Europe (Labour Party Wales Archive, Item 155)

The Government U-turns on its promise to establish a Welsh language TV channel. Gwynfor Evans threatens to fast to death until the decision is reversed. S4C is launched in 1982.

Dafydd Wigley is elected as President of Plaid Cymru.

The National Left Group within Plaid Cymru is formed to promote home rule with democratic socialism as Plaid Cymru's key aims.

The Hydro Group is formed within Plaid Cymru to campaign for home rule without any other ideology to be Plaid Cymru's key aim.

Dafydd Wigley and Dafydd Elis Thomas are re-elected at the General election.

Manifesto: Plaid Cymru: The Only Alternative (Archif Plaid Cymru J321)

Dafydd Elis Thomas is elected as President of Plaid Cymru.

European Parliament Election.

Manifesto: A Voice for Wales in Europe (Archif Plaid Cymru O2360)

Coal Miners' Strike.

Ieuan Wyn Jones is elected as the Member of Parliament for Ynys Môn in the General Election.

Manifesto: Winning for Wales (XJM1193P69)

Dafydd Wigley is elected as President of Plaid Cymru for a second time.

Cynog Dafis is elected as Member of Parliament for Ceredigion and Pembroke North on a joint ticket between Plaid Cymru and the Green Party.

Cynog Dafis' maiden speech in Parliament (Papurau Cynog Dafis 11)

European Parliament Election.

Manifesto: Making Europe Work for Wales (Dyb1996A2938)

Plaid Cymru wins control of its first county council, Gwynedd Council, in the local elections.

Plaid Cymru wins four seats in the General Election.

Manifesto: The Best for Wales (XJN1193P69 4to)

Wales votes to establish a National Assembly with executive powers in a referendum on 18 September.

Ephemera from the devolution referendum campaign (Welsh Political Ephemera Collection C3/25)

Plaid Cymru wins 17 seats in the first election to the National Assembly for Wales including Islwyn, Rhondda and Llanelli.

Manifesto: Working for the New Wales (Dyb1999C252)

Plaid Cymru wins its first seats in the European Parliament with Jill Evans and Eurig Wyn taking seats.

Dafydd Elis-Thomas is elected as the Presiding Officer of the National Assembly for Wales.

Ieuan Wyn Jones is elected as President of Plaid Cymru.

Adam Price wins the Carmarthen and Dinefwr constituency in the General Election.

Manifesto 2001 (Dyb2001C29)

National Assembly for Wales Election.

Manifesto 2003 (XJN1193.P69)

Jill Evans is re-elected to the European Parliament as Wales' representation is cut from 5 to 4 MEPs.

Manifesto: Fighting Hard for Wales (XJN1193.F47)

General Election.

Manifesto: We Can build a Better Wales (Dyb2005C185)

Plaid Cymru re-brands with a new logo in place of the Triban.

Mohammed Ashgar, Plaid Cymru's first Assembly Member from an ethnic minority, is elected to the National Assembly for Wales.

Manifesto: Make a Difference (2008 XC 4244)

Plaid Cymru enters government in a coalition with Welsh Labour with Ieuan Wyn Jones becoming Deputy First Minister.

Outline framework for a Labour and Plaid Cymru Programme of Government (Papurau Ieuan Wyn Jones E5/3)

One Wales: A progressive agenda for the Government of Wales (Papurau Ieuan Wyn Jones E5/3)

European Parliament Election.

Manifesto: On Your Side (2013 XC 1857)

Wales votes to give lawmaking powers to the National Assembly for Wales in a referendum on 3 March.

National Assembly for Wales Election.

Manifesto; Ambition is Critical (Digital file courtesy of Plaid Cymru; NLW copy 2011 XA 2140)

Delme Bowen is elected as Lord Mayor of Cardiff, the first Plaid Cymru holder of the role.

Leanne Wood is elected as Leader of Plaid Cymru.

Addresses for the leadership election (Welsh Political Ephemera Collection C1/5/26)

European Parliament Election.

Manifesto: Wales First (2014 XC 819)

Liz Saville Roberts, the first woman to represent Plaid Cymru in Westminster, is elected to represent Dwyfor Meirionnydd in the General Election.

Liz Saville Roberts' election addresses (Welsh Political Ephemera Collection BA9/20)

National Assembly for Wales Election.

Manifesto: The Change Wales Needs (2014 XC 2168)

Elin Jones is elected as Presiding Officer of the National Assembly for Wales.

A snap General Election is called by Thesera May to gain a mandate to negotiate for the United Kingdom to leave the European Union.

Manifesto: Stronger Communities for a Stronger Wales (2014 XC 3032)

Adam Price is elected as Leader of Plaid Cymru.

European Parliament Election.

Manifesto: Make Wales Matter (2018 XC 45)

General Election.

Manifesto Wales; Its Us (Digital file courtesy of Plaid Cymru, NLW copy in Archif Plaid Cymru, J340)

The National Assembly for Wales is renamed the Welsh Parliament/Senedd Cymru.

Welsh Parliament Election.

Manifesto: Let us Face the Future Together (Digital file courtesy of Plaid Cymru; NLW copy Archif Plaid Cymru, J340)

Rhun ap Iorwerth is elected as Leader of Plaid Cymru.

Plaid Cymru wins four seats in the General Election.

Manifesto: For Fairness, For Ambition, For Wales (2018 XC 3088)