BLETCHLEY, UK – 17th June  2026 – The National Museum of Computing (TNMoC), located on the Bletchley Park estate, is proud to announce that IEEE, a public charity and the world’s largest technical professional organization advancing technology for the benefit of humanity, has officially approved the designation of the Colossus Computers (1944-1945) as an IEEE Milestone. 

The IEEE Milestone Program recognises Colossus as one of the most significant technical achievements in computer history. The Milestone plaque will be officially unveiled during a landmark dedication ceremony at the Museum on Tuesday, 29 September 2026, held in conjunction with the 2026 Tony Sale Award for Computer Conservation.