It was established in 2012 to celebrate the changing role in modern healthcare of medical imaging.
It is organised by the International Society of Radiographers and Radiological Technologists (ISRRT).
International Day of Radiology (IDOR) celebration is a week-long celebration as National Radiologic Technology Week from 3 November to 9 November 2019.
The 8th of November is also the anniversary of the discovery of X-rays by Wilhelm Conrad Rontgen in 1895.