Queen Elizabeth II, Britain's longest reigning monarch, has died. She was 96. On the heels of the stunning news that has reverberated around the world, an explicitly detailed series of protocols — including the Prince of Wales' ascension to the throne — will begin to roll out.According to multiple reports, a slew of code-named operations are in place, each calling for specific plans for various scenarios.
First, there's Operation London Bridge, which is to signify that the queen died in England. But with the queen having spent her final days at Balmoral in Scotland, a separate operation will take place: Operation Unicorn, which signifies the queen died in Scotland.
Following the queen's death (known internally as D-Day), the prime minister, the cabinet secretary (Britain's highest-ranking civil servant) and a number of senior ministers and officials will be informed of the tragic news.
According to, which obtained the U.K. government's plan for what will transpire in the hours and days after Elizabeth's death, the prime minister will receive the official news from the queen's private secretary.
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