At 6.30 p.m.,Buckingham Palaceformally announced the death of the former monarch.

“Our country has grown and flourished under her reign.

Britain is the great country it is today because of her.”

Queen Elizabeth II smiling

And it’s likely the world will never know what really causedthe heartbreaking death of Queen Elizabeth.

And it’s likely that the palace won’t share her exact cause of death.

Instead, Liz Truss traveled to Balmoral to meet the queen.

Queen Elizabeth II at royal event

Did the queen die from a broken heart?

Royal biographer Lady Colin Campbell, however, alleged that the queen had been diagnosed with a serious illness.

Buckingham Palace has not commented on Campbell’s statement.

Prince Philip and Queen Elizabeth II smiling at each other