At 12:00 BST on Monday, a 41-gun salute will be fired from Hyde Park, along with a 21-gun salute in Windsor Great Park and a 62-gun salute at the Tower of London.

BBC: Queen to celebrate 87th birthday with family

Kate Beckinsale brushes past Westminster Clock Tower like a gun-toting Godzilla.

FORBES: Connect

Excitement grew as a gun salute rang out from the Tower of London.

CNN: Eyes of world on spectacular Thames royal pageant