Now, though, a history lesson.

The rule of primogeniture – a feudal dictate by which a hereditary title passed to the eldest son puts male children ahead of their siblings, regardless of their age – is the very same rule that saw Henry VIII become obsessed with bonking every woman in the kingdom in a bid to get himself a son.

Or, to put it more succinctly, it’s where the phrase “an heir and a spare” stemmed from – and, until the introduction of new legislation in 2015, boys were always given priority over their sisters in the line to the throne.

Now, thanks to reform measures known as the Perth Agreement, all royal girl children born after 2011 now hold their place in the line of succession – even if they have younger male siblings. Which means that Charlotte, the country’s youngest princess, will no longer be overlooked because she is “just a girl”.

Instead, the newborn prince is fifth in line to the throne, after his grandfather Prince Charles, father Prince William and two older siblings.

Princess Charlotte just made history for the women who will succeed her