In honor of the United Kingdom's Mother's Day, or Mothering Sunday, Charles shared a black-and-white photo of his mom, ...

"Wishing all mothers, and those who are missing theirs today, a peaceful Mothering Sunday." The photos showed a young Charles and his sister Princess Anne at the Royal Windsor Horse Show with the ...

The first photo was of “a young Prince Charles (now The King) and Princess Anne attend[ing] the Royal Windsor Horse Show with The late Queen Elizabeth in 1956,” the caption continued.

"A young Prince Charles (now The King) and Princess Anne attend the Royal Windsor Horse Show with The late Queen Elizabeth in 1956." The Royal Family/Instagram Queen Camilla also shared a photo of ...

The black and white photograph was taken at the Royal Windsor Horse Show in 1956. The social media post, which was posted on official Royal Family social media accounts, had a sweet caption.

a peaceful Mothering Sunday," the official royal Instagram captioned a photo of the King and his sister, Anne, Princess Royal, sitting with their mother at the Royal Windsor Horse Show in 1956.

One showed a young Charles and Princess Anee with the late Queen Elizabeth at the Royal Windsor Horse Show in 1956, while the other showed Camilla’s late mother, Rosalind, with her eldest ...

Photo shows New Year's Weather: Dark grey storm clouds over a green forested area, with a rain storm on the horizon.