- 03-October-1283 : Death by hanging, drawing and quartering is first used as a form of capital punishment (for the newly created crime of high treason) by King Edward I of England in his execution of Dafydd ap Gruffydd, the last ruler of an independent Wales, at Shrewsbury.
- 14-September-1682 : Bishop Gore School in Swansea, Wales is founded.
- 25-July-1795 : Construction of the Pontcysyllte Aqueduct in Wales begins.
- 22-February-1797 : The Last invasion of Britain begins. French forces under the command of American Colonel William Tate land near Fishguard in Wales.
- 29-September-1850 : The Catholic hierarchy is rereestablished in England and Wales by Pope Pius IX.
- 26-October-1859 : The steamship ''Royal Charter'' is wrecked on the coast of Anglesey, Wales with 454 dead.
- 20-August-1868 : Abergele Train Disaster in Wales: An ''Irish Mail'' passenger train collides with 4 cargo trucks loaded with paraffin: 33 are killed (the first major train disaster in Britain).
- 24-October-1883 : Cardiff University, Wales, opens (under the name of University College of South Wales and Monmouthshire).
- 24-May-1901 : 78 miners die in the Caerphilly pit disaster in South Wales.
- 24-November-1927 : A total solar eclipse occurs over Northern England and Wales.