Editing 320 (section)

== Events ==
<onlyinclude>

=== By place ===
==== Roman Empire ====
* [[Crispus]], eldest son of [[Constantine the Great|Constantine I]], leads a victorious campaign against the [[Franks]], assuring twenty years of peace along the [[Rhine]] frontier. He establishes his residence in ''[[History of Trier|Augusta Treverorum]]'' (modern [[Trier]]), capital of [[Germania]].<ref name="crispus">Hans Pohlsander, [http://www.roman-emperors.sites.luc.edu/crispus.htm Crispus Caesar (317-326 A.D.)]</ref>
* [[Licinius]] reneges on the [[religion|religious]] freedom promised by the [[Edict of Milan]], and begins a new persecution of [[Christians]] in the [[Byzantine Empire|Eastern Roman Empire]]. He imprisons Christians, confiscates their properties and destroys [[church (building)|churches]].

==== Asia ====
* King [[Chandragupta I]] founds the [[Gupta dynasty]] in northern [[India]] (approximate date).<ref>{{cite book |author=Tej Ram Sharma |title=A Political History of the Imperial Guptas: From Gupta to Skandagupta |url=https://books.google.com/books?id=fWVZWjNAcAgC |year=1989 |publisher=Concept |isbn=978-81-7022-251-4 }}</ref>
* [[Zhang Shi (Former Liang)|Zhang Shi]] (張寔), Zhang Duke of Xiping and governor of Liang Province, (涼州)is assassinated by Yan She (閻涉) and Zhao Ang (趙卬) and replaced by [[Zhang Mao]] (張茂), commonly accepted first ruler of the Chinese state [[Former Liang]].

=== By topic ===
==== Art ====
* Construction begins on the [[Old St. Peter's Basilica]], [[Rome]] (approximate date).

==== Culture and Religion ====
* In [[Nydam Mose]] ([[Denmark]]), the Nydam [[clinker (boat building)|oak boat]] is sacrificed by the [[Danes (Germanic tribe)|Danes]] (the boat is excavated in the [[1830]]s, when a local [[farmer]] finds weapons, including [[sword]]s and [[spear]]s).

==== Science ====
* [[October 18]] &ndash; [[Pappus of Alexandria]], Greek philosopher, observes an [[eclipse]] of the [[sun]] and writes a commentary on ''The Great Astronomer'' (''[[Almagest]]''). 
</onlyinclude>