Introducing the Royal Lady of the Order of the Garter. Queen Elizabeth II "graciously" appointed Camilla, Duchess of Cornwall to the Order of the Garter, Buckingham Palace said in a statement to USA TODAY. Founded by Edward III in 1348, the Order of the Garter is the oldest and most senior British order of chivalry. The queen also appointed two others to the Order of the Garter: Baroness Valerie Amos, a member of the House of Lords, who will become the first Black person to be appointed to the order as Lady Companion, and former Prime Minister Tony Blair was given the title of Knight Companion of the Most Noble Order of the Garter. 📸 Samir Hussein, WireImage #QueenElizabeth #DuchessCamilla #Royals