Llywelyn the Last, the last native Prince of Wales, is killed at Cilmeri, near Builth Wells, south Wales.

Dafydd ap Gruffydd, prince of Gwynedd in Wales, becomes the first person executed by being hanged, drawn and quartered.

The Last Invasion of Britain begins near Fishguard, Wales.

The first self-propelling steam locomotive makes its outing at the Pen-y-Darren Ironworks in Wales.

The Menai Suspension Bridge, considered the world's first modern suspension bridge, connecting the Isle of Anglesey to the north West coast of Wales, is opened.

A system of the civil registration of births, marriages and deaths is established in England and Wales.

The Britannia Bridge across the Menai Strait between the Isle of Anglesey and the mainland of Wales is opened.

The Roman Catholic hierarchy is re-established in England and Wales by Pope Pius IX.

The Royal Charter is wrecked on the coast of Anglesey, north Wales with 459 dead.

Welsh settlers arrive at Chubut in Argentina.

Sir Malcolm Campbell becomes the first man to break the convert 150 land barrier at Pendine Sands in Wales. He drove a Sunbeam at a two-way average speed of convert 150.33.

An explosion takes place at Gresford Colliery in Wales, leading to the deaths of 266 miners and rescuers.

World War II: German bombing severely damages the Llandaff Cathedral in Cardiff, Wales

World War II: Germany's latest fighter, a Focke-Wulf FW190, is captured intact when it mistakenly lands at RAF Pembrey in Wales.

Cardiff is proclaimed the capital city of Wales, United Kingdom.

Aberfan disaster: A slag heap collapses on the village of Aberfan in Wales, killing 144 people, mostly schoolchildren.

Capital punishment in the United Kingdom: Home Secretary James Callaghan's motion to make permanent the Murder (Abolition of Death Penalty) Act 1965, which had temporarily suspended capital punishment in England, Wales and Scotland for murder (but not for all crimes) for a period of five years.

Kirsty Williams is elected as Leader of the Welsh Liberal Democrats. She becomes the first female leader of a political party in Wales.