400

This article is about the year . For other uses, see (number).

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Events

By Place

Western Roman Empire

• First invasion of Italy by Alaric (probable date).
• The Vandals start their westward trek from Dacia and Hungary (approximate date).

Europe

• The Franks establish themselves in Northern Holland.
• While taking refuge along the Danube, Gainas and his Goths are attacked by the Huns, killing him and his army. Gainas' head is sent as a gift to Constantinople by the Hun chieftan Uldin.

Africa

• Construction at Great Zimbabwe begins (approximate date).

Asia

• Chrysanthemums are introduced to Japan (approximate date).

By Topic

Religion

• The mausoleum of Galerius in Salonica is converted into a church.