Howard Carter discovered the tomb of Tutankhamun in November 1922 in the Valley of the Kings, Egypt. This discovery was significant as it was one of the most intact and well-preserved tombs ever found, and it provided invaluable insights into ancient Egyptian culture, burial practices, and artifacts. The tomb contained a wealth of treasures, including the famous golden mask of the young pharaoh. Carter's excavation sparked worldwide interest in ancient Egypt and was a pivotal moment in archaeology. The discovery of Tutankhamun's tomb remains a highlight of Egyptology and continues to fascinate scholars and the public alike.