The International Day of Radiology (IDoR) is an annual event promoting the role of medical imaging in modern healthcare. It is celebrated on November 8 each year, and coincides with the anniversary of the discovery of x-rays. It was first introduced in 2012, as a joint initiative, by the European Society of Radiology (ESR), the Radiological Society of North America (RSNA), and the American College of Radiology (ACR).
