What is 303?
{{Year nav|303}} {{Year in various calendars|303}} {{Year article header|303}} == Events == === By place === ==== Roman Empire ==== * [[Diocletianic Persecution|Great Persecution]]: Emperor [[Diocletian]] launches the last major persecution of [[Christians]] in the Empire. [[Hierocles (proconsul)|Hierocles]] is said to have started the fierce persecution of the Christians under [[Galerius]]. They are forbidden to worship in groups, and thousands of them are killed in the next 10 years. * [[February 24]] &ndash; Galerius publishes his edict that begins the persecution of Christians in his portion of the Empire. * [[September 25]] &ndash; On a voyage preaching the [[gospel]], [[Saint Fermin]] of [[Pamplona]] is [[Decapitation|beheaded]] in [[Amiens]], [[France]]. * [[November 28]] &ndash; Diocletian makes a visit to [[Rome]]. The [[Augustus (title)|Augusti]] and the [[Caesar (title)|Caesars]] are united for the first time to celebrate the 20th anniversary of Diocletian's accession. * The [[Triumphal Arch]] of [[Maximian]] is erected in [[Salonica]]. ==== Asia ==== * [[Sassanid dynasty|Sassanid]] Shah [[Hormizd II of Persia|Hormizd II]] succeeds [[Narseh of Persia|Narseh]]. ==== America ==== * In [[Mexico]] the civilization of [[Teotihuacan]] flourishes. === By topic === ==== Religion ==== * [[March 4]] &ndash; [[Martyrdom]] of [[Adrian of Nicomedia|Saint Adrian of Nicomedia]]. == Births == * [[Magnentius]], Roman [[usurper]] (d. [[353]]) * [[Wang Xizhi]], Chinese [[Chinese calligraphy|calligrapher]] (d. [[361]]) == Deaths == * [[April 23]] &ndash; [[Saint George]], soldier of the [[Roman Empire]] * [[September 25]] &ndash; [[Fermin|Saint Fermin]], Roman Catholic saint * [[Acacius of Byzantium]], [[centurion]] in the [[Roman army]] and [[martyr]] * [[Adrian of Nicomedia]], Christian saint * [[Anthimus of Rome]] * [[Cao Huan]], last emperor of the [[Cao Wei|Kingdom of Wei]] * [[Cessianus]], Roman Catholic saint and martyr * [[Crescentinus]], patron saint of Urbino * [[Erasmus of Formiae]] * [[Expeditus]], Roman