Celebrating 75 Years of LEO I: Join Us for a Historic Milestone at TNMoC!
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Celebrating 75 Years of LEO I: Join Us for a Historic Milestone at TNMoC!
LEO I, the world's first commercial business computer, ran its first operational job in November 1951, and this momentous occasion will be celebrated, in conjunction with the LEO Society - at The National Museum of Computing on Sunday 29th November 2026.
A limited number of tickets are now on sale. Be sure to reserve your place soon.
To book your ticket, Click Here and select Events.
During the course of the day you will be treated to:
Inspiring Talks: Hear from our guest speakers as they give fascinating talks reflecting on the history of LEO, the work of the LEO Society and the TNMoC connection with LEO.
Exclusive Video Screenings: Watch a special short video highlighting the incredible roles women played in LEO history.
Refreshments & Light Lunch: Enjoy welcome tea and coffee during registration and informal networking followed by a light lunch.
The event kicks off with early museum exploration at 10:30 AM, followed by official registration at 11:00 AM. You will be given a complimentary LEO75 themed souvenir puzzle book on arrival and you can also explore publications like Leo Remembered in the TNMoC shop.
