As news of the Queen's death circulated around the world this past week, people were reminded of the secret letter which the Queen wrote in November 1986. The letter is only addressed to the Lord Mayor of Sydney but the Queen requested her message be read for the people of the city. 

According to indy100, the letter wrote:

"On a suitable day to be selected by you in the year 2085 AD, would you please open this envelope and convey to the citizens of Sydney my message to them," Queen Elizabeth II wrote.

It is only signed, "Elizabeth R."

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Queen Elizabeth II wrote the letter after the Queen Victoria Building was restored in the 1980s.  Queen Victoria is the great, great, grandmother of Queen Elizabeth II.

Initially, the building was meant to be demolished in the late 1950s but "was saved by the people of the City following ardent public campaigning."

The Queen Victoria Building was added to the New South Wales State Heritage Register in 2010 so it can be protected in the future. Read more on this story here.