On This Day

Year in History

Explore the major historical events, famous births, and notable deaths that occurred in the year 364. This year saw 3 significant events.

4th Century360s

364 Timeline

  1. Roman Emperor Valentinian I appoints his brother Flavius Valens co-emperor

    Valentinian I (Latin: Valentinianus; 321 – 17 November 375), sometimes known as Valentinian the Great, was Roman emperor from 364 to 375.

  2. Valentinian I is proclaimed Roman Emperor

    Valentinian I (Latin: Valentinianus; 321 – 17 November 375), sometimes known as Valentinian the Great, was Roman emperor from 364 to 375.

  3. Valentinian I becomes Roman Emperor (rules until 375)

    Valentinian I (Latin: Valentinianus; 321 – 17 November 375), sometimes known as Valentinian the Great, was Roman emperor from 364 to 375.

Events

Frequently Asked Questions

What happened in 364?
In 364, there were 3 significant historical events. Notable events include Roman Emperor Valentinian I appoints his brother Flavius Valens co-emperor, Valentinian I is proclaimed Roman Emperor, Valentinian I becomes Roman Emperor (rules until 375).

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