Throughout her time as monarch, Queen Elizabeth II was known to fervently follow royal rules. From strict etiquette instructions to secret signals, she was largely traditional in her approach as head of the royal family.
However, she was also known to break convention on a handful of occasions - particularly when it came to ensuring equality and fairness within her family. She famously changed UK succession laws in 2013, just before Prince George was born, to ensure that if Prince William and Kate Middleton had daughters that they would not be outranked by any younger brothers.
