You remember Pope Benedict XVI, the one that retired in 2013.

He will turn 91 years today, April 16.

The Vatican’s official news site said there will be no elaborate ceremony to mark the day but that the Pope Benedict XVI Emeritus will spend his 91st birthday in “quiet and peace”.

Meanwhile, his Secretary Archbishop Georg Gaenswein said Benedict is due to have a little celebration in the Vatican monastery where he has retired, with his 94-year-old brother, Georg Ratzinger.

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Born Joseph Ratzinger in Bavaria, Southern Germany, Benedict became in 2013 the first pope to resign in nearly 600 years, citing the strains of old age.

Since then, he has lived a life of prayer inside the Vatican gardens and rarely ventured out, staying true to a promise to remain “hidden to the world.”

In February, he said in a letter to Italian daily Corriere della Sera, that he was preparing to meet his maker.

“As my physical strength slowly fades, I am on an interior pilgrimage towards home,” he had said.

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