Harry, 34, and Meghan, 37, shared a video that contained intimate photos from their big day on Instagram.
"Happy one year anniversary to Their Royal Highnesses, The Duke and Duchess of Sussex!" the post was captioned. "Today marks the one year anniversary of the wedding of The Duke and Duchess of Sussex."
"Their Royal Highnesses exchanged vows at St George’s Chapel within the grounds of Windsor Castle on May 19th, 2018," the post continued. "The selected song 'This Little Light of Mine' was chosen by the couple for their recessional."
"A message from The Duke & Duchess: Thank you for all of the love and support from so many of you around the world. Each of you made this day even more meaningful."