Important Historical Events of the year 138, Year 138 in History

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List of 138 Major News Events in History, Most Important Historical Events in 138

What happened in the year 138?

Date	Event
February 25, 138	Roman emperor Hadrian adopts Antoninus Pius as his son, effectively making him his successor.
July 10, 138	Emperor Hadrian of Rome dies of heart failure at his residence on the bay of Naples, Baiae; he is buried at Rome in the Tomb of Hadrian beside his late wife, Vibia Sabina.