Cardinal Joseph Ratzinger was elected as Pope under the name Pope Benedict XVI.
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The Roman Catholic Church declared Joan of Arc a saint.
The Treaty of Frankfurt was signed between Holy Roman Emperor Charles V and Protestants.
Charles Darwin, who taught the world the theory of evolution by natural selection, died at 73 years old.
NASA's Ingenuity helicopter became the first helicopter to fly on another planet.
NetherRealm's Mortal Kombat, the first game in the franchise reboot, was released for PS3 and Xbox 360.
