Tomorrow will mark 223 years since Ordnance Survey was founded. In the late 1700s the government ordered its defence ministry – the Board of Ordnance – to begin a survey of England’s vulnerable southern coasts, worried that the French Revolution might sweep across the English Channel. In June 1791, the Board purchased a huge new Ramsden theodolite, and this is seen as the foundation of our organisation.
We’re marking the occasion by telling you some of our favourite facts and figures about Ordnance Survey. You can find out more about our history on our website too. Continue reading “Happy birthday Ordnance Survey – 223 years old!”