Created Prince of Wales in 1958, it was not until 1969 that Prince Charles’ investiture finally took place, in a ceremony televised on the BBC.
While the event, taking place in July, was generally welcomed, some Welsh people thought it was a symbol of their subjugation. A protest was held on the 6th of March.
The image was taken by Welsh photojournalist Geoff Charles.
The investiture took place at the same location as the protest: Caernarfon Castle.
In Times Gone By... 
In the words of the song from Gigi, I remember it well!
[…] of the event, some Welsh people felt the investiture was a sign of the subjugation of Wales. A large protest was held several weeks […]