400

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Heads of State

Year of the Metal Rat庚子(at the beginning of Earth Pig己亥)

Era of Diocletian: 116/117 ( year November )

Syria: 711/712 ( year in October )

Events

Politics and World Affairs

• Richu is 17th emperor of Japan ( 400-405 ).

Religion

• The first Council of Toledo takes place.
• First church books prohibition; it speaks of the prohibition to read Origen's writings or to possess (see: Edict contra Origenem ).

Culture

• 400: Invention of the book cover.
• 400: Construction of Cologne St. Ursula 's Basilica.
• 400: The Indian poet Kalidasa wrote the drama Shakuntala.
• 400: In India, the number zero is used for the first time.

Nature and Environment

• 400: The climate optimum of the Roman period is detached from pessimum the migration period, which lasts until about 750 AD.

Historic maps and views

Born

• Benjamin of Persia, Christian Martyr († 424)

• 400: Aspar, East Roman army master alanischer ancestry ( † 471 )
• 400: Athenaïs, wife of Emperor Theodosius II († 460)
• 400: Romanus of Condat, hermit and saint († 463/464 )
• 400: Salvian of Marseille, historian († 480 )

Died

• Gainas, Roman general Gothic descent

• 400: Onophrios the Great, Saint (c. 320)
• 400: Castor of carding, missionary in the Mosel area, Holy
• 400: Theodor Sion, Bishop