Now that New Zealand's Prime Minister Jacinda Ardern has hit world headlines by becoming only the second elected head of government to give birth in office, attention has naturally been drawn to the first such leader - Pakistan's late two-time Prime Minister Benazir Bhutto.
And there are some interesting coincidences here.
Ms Ardern's baby girl was delivered on 21 June - the very day Bhutto was born 65 five years earlier, in 1953.
Also, Ms Ardern is 37, as was Bhutto when she gave birth to her daughter Bakhtawar Bhutto Zardari on 25 January 1990.
In a tweet on Thursday, Bakhtawar Bhutto Zardari congratulated Ms Ardern