For the longest time it was thought he was born in 1924, meaning there were no living centenarian former world leaders and none left from 1923. But it turned out there indeed was.

There is also Josip Manolic (prime minister of Croatia between 90-91), born on 22 March 1920 and César Yanes Urías (member of the El Salvador government junta between 60-61) born on 24 April 1920, but their participation is still uncertain of them as leaders of the country, although it seems that they were the ones who were the commanders of these countries in those years