Editing 440 (section)

=== By topic ===

==== Art ====
* ''[[The Parting of Lot and Abraham]]'', mosaic in the nave arcade, [[Basilica di Santa Maria Maggiore|Church of Santa Maria Maggiore]] (Rome), is made.

==== Ancient Games ====
* [[Chaturanga]], Indian war game and an ancestor of [[chess]] through the Persian game of [[Shatranj]] (or ''Chatrang''), evolves in the [[Indus River|Indus Valley]] on the Indian subcontinent (approximate date).

==== Religion ====
* [[August 18]] &ndash; [[Pope Sixtus III]] dies after an 8-year reign in which he has resisted [[heresy]] and sponsored major construction programs in Rome. He is succeeded by [[Pope Leo I|Leo I]] as the 45th [[pope]].
* [[September 29]] &ndash; Leo I begins to formulate [[Orthodoxy]] and condemns [[Eutychianism]], an extreme form of [[monophysitism]] which holds that the human nature of [[Jesus|Christ]] is absorbed by His divine nature.
* Winter &ndash; Leo I sends a letter to Valentinian III stating, "by the [[Holy Spirit (Christianity)|Holy Spirit's]] inspiration the emperor needs no human instruction and is incapable of [[Doctrine|doctrinal]] error".
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