New Zealand Prime Minister Jacinda Ardern will arguably go down as one of the most memorable leaders in modern political history. During her first term in office, she guided her country through its worst-ever terrorist attack, a global pandemic, and a deadly volcanic eruption.
When elected in 2017, Ardern became the world's youngest female head of government and a year later became the just second elected world leader in history to give birth while in office.
With that in mind, it's fair to say that she's had a pretty busy run so far, but it still came as a shock to the world this week when the now 40-year-old announced her resignation, citing burnout as the reason behind her decision saying that she "no longer has enough in the tank".