378

Centuries: 3rd century - 4th century - 5th century

Decades: 320s 330s 340s 350s 360s - 370s - 380s 390s 400s 410s 420s

Years: 373 374 375 376 377 - 378 - 379 380 381 382 383

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Events

• Mid-February: Lentienses cross frozen Rhine, invading Roman Empire. Later that year they are defeated by Gratianus
• August 9: The Visigoths defeat the Roman Empire's army at the Battle of Adrianople
• Gregory Nazianzus ordained bishop of Constantinople
• Theodosius I becomes eastern Roman emperor after the death of Valens

Births

Deaths

• Roman Emperor Valens (at the Battle of Adrianople)
• Khui Ningomba[?], Meitei[?] King of Manipur[?].