303

Roman Empire

 * Persuaded by, launches the last major persecution of  in the Empire;  is said to have been the instigator of the fierce persecution of the  under.
 * — publishes his edict that begins the persecution of  in his portion of the Empire.
 * — On a voyage preaching the, of  is  in ,.
 * The and the  are united for the first time to celebrate the 20th anniversary of the accession of.
 * The of  is erected in.

Asia

 * Shah succeeds.

The Americas

 * In the civilization of  flourishes.

Religion

 * — of.

Births

 * , Roman usurper
 * , Chinese calligrapher

Deaths

 * —, of the
 * , Cappadocian, centurion in the imperial army, martyr
 * , martyr
 * , Roman Catholic saint and martyr
 * , patron saint of Urbino
 * , Roman commander and martyr
 * , last emperor of the
 * , Chinese writer and literary critic
 * , Christian martyr
 * , Christian saint
 * , Christian saint from Sicily
 * , Christian saint
 * , Christian saint from Sicily
 * , Christian saint from Sicily