1925 Starting Plaid Cymru

15 August 1925 

Plaid Genedlaethol Cymru (the Welsh National Party) established at Pwllheli

 

1929  

Lewis Valentine gains 629 votes in Plaid Cymru’s first Parliamentary Election

 

1936  

Burning the bombing school at Penyberth, Llŷn and prison sentences for the three Plaid leaders – Saunders Lewis, Lewis Valentine and DJ Williams