King Charles is celebrating his 76th birthday on Thursday, Nov. 14, but even though it's his big day, the monarch is carrying on with business as usual during a busy day of events. It's a "keep calm and carry on" attitude that some say is reflective of his "happier" attitude since he was crowned.

Despite a challenging year for himself and his entire family, Princess Kate included, sources say Charles has "a levity about him and a sense of joy."

King Charles III marked his 76th birthday on Thursday by opening two new food distribution hubs - one in person and the other virtually.

The British monarch turns 76 today, November 14, and to mark the occasion, his royal family sent him well wishes via social media (and presumably in real life, as well).

King Charles was wished a happy birthday by a historian when he was still Prince of Wales, but his unusual reply raised eyebrows,

Prince Harry and Meghan Markle have remained silent on King Charles's birthday. The Duke and Duchess of Sussex have not sent a public message to the monarch on his 76th birthday. Earlier today, the Prince and Princess of Wales wished the King a happy birthday publicly on social media.

On King Charles celebrates turning 76! Leading up to his birthday, the British monarch enjoyed the special treat of a Royal Performance of new historical blockbuster 'Gladiator II' at the movie's global premiere in London attended by the film's cast and director Sir Ridley Scott.

The Duke of Sussex still has a relationship with his father the King despite living across the pond in America.

British monarch King Charles III is marking his 76th birthday by opening two food distribution hubs amid his battle with cancer.