Some of us may have sung "London Bridge is falling down, my dear lady” when we were young. However, little did we know short of this, ‘London Bridge is down’ would be the codename for the plans to be put into effect immediately after Queen Elizabeth’s death.

She finally breathed her last on Thursday, September 8, bringing an end to her 70-year reign. She was 96.

Several international media outlets have over the years reported about the London Bridge, some even giving details of what her death would exactly look like, who would be with her and how the news would be broken.

In a viral 2017 Guardian article by Sam Knight, headlined "'London Bridge is down': the secret plan for the days after the Queen’s death”, the author notes that the first plans for London Bridge date back to the 1960s, before being refined in detail at the turn of the century.

Apparently, since then, there have been meetings two or three times a year involving various actors, who include the police, media, and government departments.

The article also describes in detail that the Queen would die after a short illness, and that her family and doctors would be by her side. It adds that the Palace would be giving bulletins which are not many but enough.

"The prime minister will be woken, if she is not already awake, and civil servants will say ‘London Bridge is down’ on secure lines,” the long read indicates.

The people involved, including the media, have been regularly making dry-runs on how they would report, some even secured interviews from the Royal Family for years now.

According to a piece published by Politico just last year from documents they obtained laying out Operation London Bridge, here are key points on how the next days will look like: