The Imperial State Crown, orb and sceptre were placed on top of Queen Elizabeth II's coffin for the duration of her state funeral, and it turns out the objects were actually screwed down to prevent any mishaps.
Each object was bolted to Her Majesty's coffin to ensure that they could not fall off, after her grandfather, King George VI, had his crown fall from his coffin.
In 1936, his bejewelled Maltese Cross fell onto the ground during his funeral procession, and it was said to have been a bad omen after his son, Edward VIII, abdicated causing a constitutional crisis.
Following this mishap, the crown, orb and sceptre were tightly fixed onto the Queen's coffin while she was lying in state and during her state funeral.
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