The Death Of Queen Elizabeth II, Operation Unicorn & How The World Of Twitter Has Reacted. 3254 views Queen Elizabeth II, was Britain's longest-reigning monarch and the nation's figurehead for seven decades, Her Majesty passed away on Thursday, aged 96. Buckingham Palace released the prepared statement that the queen had died peacefully at Balmoral Castle, … Continue reading The Death Of Queen Elizabeth II, Operation Unicorn & How The World Of Twitter Has Reacted.