WINDSOR, ENGLAND - JUNE 17: King Willem-Alexander of the Netherlands, Prince Charles, Prince of Wales, Prince William, Duke of Cambridge and King Felipe of Spain leave the Order of the Garter Service on June 17, 2019 in Windsor, England. The Order of the Garter is the senior and oldest British Order of Chivalry, founded by Edward III in 1348. The Garter ceremonial dates from 1948, when formal installation was revived by King George VI for the first time since 1805. (Photo by Frank Augstein - WPA Pool/Getty Images)
