Princess Diana was well known for her independent spirit and often challenged Royal Family traditions — including one lesser-known rule she broke after giving birth to Prince William.

Life as a royal can be tiring, full of strict customs, endless protocols, and expectations that must be followed to the letter.

But the beloved Princess of Wales often chose to go her own way, making headlines for standing up for what she believed was right.

After Prince William’s birth, Princess Diana broke with a long-standing royal tradition — a change that later influenced how Kate Middleton welcomed her own children.

Before William came along, it was customary for royal women to give birth at home. In fact, the late Queen gave birth to all four of her children at home, with King Charles being born at Buckingham Palace.

But that changed on June 21, 1982, when Princess Diana delivered Prince William at St Mary’s Hospital in Paddington, at 9:03 PM.

With that, William became the first future king to be born in a hospital — a move that marked a major shift in royal birthing traditions.

Diana returned to the same hospital in 1984 to give birth to Prince Harry, choosing the Lindo Wing once again.

Years later, Princess Kate followed her lead. In 2013, she gave birth to Prince George in the very same hospital wing.

Meghan Markle reportedly hoped for a home birth originally, but things didn’t go as planned — both Archie and Lilibet were born in hospitals instead.