Important Historical Events of the year 378, Year 378 in History

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List of 378 Major News Events in History, Most Important Historical Events in 378

What happened in the year 378?

Date	Event
January 16, 378	General Siyaj K'ak' conquers Tikal, enlarging the domain of King Spearthrower Owl of Teotihuacán.
August 9, 378	Gothic War: Battle of Adrianople: A large Roman army led by Emperor Valens is defeated by the Visigoths. Valens is killed along with over half of his army.