Royal Mint was historically part of a series of mints that became centralised to produce coins for the Kingdom of England, all of Great Britain and eventually most of the British Empire. The original London mint from which the Royal Mint is the successor, was established in 886 AD and operated within the Tower of London for approximately 800 years before moving to what is now called Royal Mint Court where it remained until the 1960s. As Britain followed the rest of the world in decimalising its currency, the Mint moved from London to a new plant in Llantrisant, Wales where it
Royal Mint Nazis planned to collapse the British economy by flooding the country with forged notes leading the Bank of England to stop issuing banknotes of £10 and above. To meet these demands the Mint doubled its output so that by 1943 it was minting around 700 million coins a year despite being under constant threat of being bombed. The Deputy Master of the Mint John Craig recognised the dangers to the Mint, introduced a number of measures to ensure the Mint could continue to operate in the event of a disaster. Craig added emergency water supplies, reinforced the Mint's basement to