433

The year 433 AD

Events

 * Saint Patrick becomes the second bishop of Irleand, replacing Palladius. Patrick later became the patron saint of Ireland. (traditional date, according to the Annals of Ulster.
 * John of Antioch and Cyril of Alexandria sign the Formula of Reunion, thus ending their conflict over the Nestorian controversy and the Council of Ephesus.

Deaths

 * John Cassian, one of the Desert Fathers, monk, Christian saint, writer

Years