(Original Caption) Il principe Carlo e la regina Elisabetta sono raffigurati nella loro casa di Windsor

Queen Elizabeth II with Prince Charles at Windsor Castle, April 1969. (Photo by Fox Photos/Hulton Archive/Getty Images)

Credit:Anwar Hussein / Avalon

Photo by Anwar Hussein/Getty Images

Il principe Carlo e Lady Diana Spencer aprono la mostra Mountbatten a Broadlands, la casa di Lord Louis Mountbatten, assassinato in Irlanda.

Photo by Terry Fincher/Princess Diana Archive/Getty Images

Credit:John Shelley Collection / Avalon

Photo by Tim Graham Photo Library via Getty Images

Photo by John Stillwell - WPA Pool/Getty images

Photo by Paul Edwards - WPA Pool/Getty Images

Photo by Tim Graham Photo Library via Getty Images

Photo by Max Mumby/Indigo/Getty Images

CREDIT: David Wimsett/UPPA/Photoshot, Credit:David Wimsett / Avalon

Leon Neal/Pool Photo via AP Associated Press/LaPresse Only Italy and Spain

Peter Byrne/Pool Photo via AP, File

Hollie Adams/Pool Photo via AP

Hollie Adams/Pool Photo via AP

Hollie Adams/Pool Photo via AP