More on the investiture

Standing outside the toilets and souvenir stalls on Castle Hill, you can look across to the castle itself and see a metal balcony jutting out of the archway. Prince Charles stood here to greet the crowds on the day of his investiture as Prince of Wales, on July 1 1969, at the age of 20.

But the event was by no means universally welcomed. On the previous day two men were killed by their own bomb at Abergele. It is believed they had intended to blow up the Royal Train. And 3,000 police were in Caernarfon to prevent trouble on investiture day.

It was locally-raised Prime Minister David Lloyd George who first brought the ceremony to Caernarfon in 1911 when Edward (VIII) was invested. All previous princes had been invested in England, though the first was born in Caernarfon in 1284.

If you turn to the right at the top of Castle Hill you will see a statue of Lloyd George, who was the local MP.