The 1906 Summer Olympics, not now recognized as part of the official Olympic Games, open in Athens.
The 1906 Intercalated Games or 1906 Olympic Games was an international multi-sport event that was celebrated in Athens, Greece. They were at the time considered to be Olympic Games and were referred to as the "Second International Olympic Games in Athens" by the International Olympic Committee. However, the medals that were distributed to the participants during these games are not officially recognised by the Olympic Committee and are not displayed with the collection of Olympic medals at the Olympic Museum in Lausanne, Switzerland.