The castle was neglected until the 19th century when the state funded repairs.
Lasting approximately two months, from late August to October, the tour included travel to the Maritimes, central Canada and the western provinces. 14 July - New buildings of the University College of North Wales, Bangor, opened. The castle was used for the investiture of the Prince of Wales in 1911 and again in 1969. Charles’s 1969 investiture ceremony took place in Caernarfon Castle, which had been commissioned by King Edward I of England in 1283 after his conquest of Wales and was the birthplace of the first English Prince of Wales, the future King Edward II, in 1284. 13 July - The new Prince of Wales is invested with his title in a ceremony at Caernarfon Castle, devised by David Lloyd George. Investiture of the Prince of Wales at Caernarfon Castle in Wales on this day in 1911, the first of the modern Investiture Ceremonies in Wales. This was the last time the castle was used in war. The Prince of Wales (later crowned King Edward VIII and the Duke of Windsor) embarked on a Royal Tour of Canada in 1919. 23 July - King George V and Queen Mary lay the foundation stone of the new National Library of Wales in Aberystwyth.
It is part of the World Heritage Site "Castles and Town Walls of King Edward in Gwynedd". According to legend, Edward I had promised the Welsh a prince who could speak no English and presented them with his infant son – … INVESTITURE 1911. The Prince eventually became King Edward VIII, who abdicated within the year to marry Wallis Simpson and became the Duke of Windsor. The royal visit provided the opportunity for many Canadians to meet the heir to the Throne. Edward, of course, went on to become King Edward VIII, later to abdicate in the furore over Mrs. Wallis Simpson. July 1911.
The Investiture of the Prince of Wales took place at Carnarvon Castle on the 13th.