However, it is not one that requires flags to be flown at half-mast. That's because in the States, flags are only lowered to acknowledge the legacy of fallen leaders and public servants ...

Crowds witnessed the union jack lowered at Buckingham Palace, while the Royal Banner of Scotland at Holyroodhouse was also lowered to half-mast. The flag on the roof of No 10 Downing Street ...

Despite no royal being at Buckingham Palace, for the first time ever, the Queen ordered a break with protocol and the Union Flag was flown at half mast over the Palace on the day of Diana's funeral.

The US is celebrating Presidents' Day on Monday, making it a federal holiday. However, it is not one that requires flags to be flown at half-mast. That's because in the States, flags are only lowered ...