The royal family at Sandringham in 1960. (Keystone/Stringer/Getty Images)
Charles’s investiture as Prince of Wales at Caernarvon Castle in 1969. (Central Press/Stringer/Getty Images)
Charles and Camilla after a polo match in 1975. (REX/Shutterstock)
Camilla’s marriage to Andrew Parker Bowles. (Wood/Stringer/Getty Images)
Andrew Parker Bowles shared a love of polo with Charles. (Anwar Hussein/Contributor/Getty Images)
Geoffrey Kent. (Tim Graham/Contributor/Getty Images)
Charles and Diana in 1981. (Anwar Hussein/Contributor/Getty Images)
The couple’s visit to Seoul in 1992. (Anwar Hussein/Contributor/Getty Images)
The royal family showing a typically united front in public. (Jeff Overs/Contributor/Getty Images)
William, Charles and Harry. (Will Oliver/Epa/REX/Shutterstock)
Charles with Sinn Féin leader Gerry Adams. (Damien Eagers/PA Archive/PA Images)
Charles and Camilla with Laura and George W. Bush. (John Stillwell/PA Archive/PA Images)
Charles’s 1997 visit to Hong Kong. (AFP/Stringer/Getty Images)
Charles, the passionate countryman, with Michael Fawcett. (Eddie Boldizsar/REX/Shutterstock)
Charles fox-hunting. (Dave Bebber/REX/Shutterstock)
The proposed National Gallery extension, described by Charles in 1984 as a ‘monstrous carbuncle’. (PA/PA Archive/PA Images)
Richard Rogers with the queen. (Matt Dunham/AP/WPA rota/PA Archive/PA Images)
Charles and Camilla pose for their wedding photo. (ZZ/NJ/DHT/ROO/REX/Shutterstock)
The royal family on Buckingham Palace’s balcony after Prince William’s marriage to Kate Middleton. (Geoffrey Robinson/Alamy Stock Photo)
Charles and Michael Fawcett. (Tim Graham/Contributor/Getty Images)
Michael Peat. (Dave Penman/REX/Shutterstock)
Charles and Mark Bolland. (Tim Graham/Contributor/Getty Images)
Fiona Shackleton. (Joanne Davidson/Silverhub/REX/Shutterstock)
Paul Burrell and Diana. (Trinity Mirror/Mirrorpix/Alamy Stock Photo)
Diana’s sister Sarah McCorquodale. (REX/Shutterstock)
Detective Chief Superintendent Maxine de Brunner and Detective Sergeant Roger Milburn. (Scott Barbour/Stringer/Getty Images)
Marriage to Camilla transformed Charles. (Chris Jackson/Staff/Getty Images)
Charles reduced the number of royals who appeared on the balcony at Buckingham Palace. (Chris J. Ratcliffe/Stringer/Getty Images)
Tom Shebbeare. (Nick Razzell/REX/Shutterstock)
Robin Janvrin. (PA Archive/PA Images)
Stephen Lamport. (Photograph by Robert Simpson, Camera Press London)
Michael Fawcett. (Max Mumby/Indigo/Contributor/Getty Images)
Charles entertaining celebrities at one of his charity events. (Chris Jackson/Staff/Getty Images)
Joan Rivers and Robert Higdon. (Robin Platzer/Contributor/Getty Images)
Charles with a group of children from an inner-city school. (WPA Pool/Pool/Getty Images)
The queen and Don McKinnon. (Kirsty Wigglesworth/PA Archive/PA Images)
Malcolm Ross. (Tim Graham/Contributor/Getty Images)
Christopher Geidt. (Max Mumby/Indigo/Contributor/Getty Images)
Charles at Highgrove. (John Paul Brooke/REX/Shutterstock)