【Sexy Sisters】

While the world jubilantly celebrated the newest addition to the royal brood,Sexy Sisters Princess Charlotte quietly made history.

SEE ALSO: The third bundle of royal cuteness has finally arrived

She's just become the first female royal not to be usurped after the birth of a younger brother.

Kensington Palace announced the birth of a baby boy shortly after 1pm BST on Monday. But, for the first time in history, the birth of this male heir will not affect an older female heir's position in line to the throne.

Charlotte's place in the line of succession will remain the same following the birth of a younger male sibling, and that's all thanks to a law that was passed in 2013, but took effect in 2015 because the countries where the Queen is head of state had to pass their own legislation.

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Princess Charlotte is currently forth in line to the throne, and the new royal baby—whose name is yet to be announced—is fifth in line.

The Succession to the Crown Act 2013—which was passed in the UK shortly before Prince George's birth—removed "male bias" from the rules of royal succession. The new law meant that Charlotte would position in the line of succession would not be leapfrogged by any future younger brothers.

The rules of male primogeniture prior to the law meant that male heirs "took precedence" over female heirs—even first-born royal girls.

Thank goodness for forward planning!


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