** Pope Celestine I ( Roman Catholic Church )

** Pope Sixtus I

** Saint Pope Pius V

** Pope Pontian

** Pope Stephen I

** Pope Anacletus and Marcellinus

** Pope Innocent XI

** Pope Pius X

** Pope Anicetus

** Pope Leo IX

** Pope Anianus of Alexandria

** Pope Shenouda III of Alexandria

** Pope Damasus I

** Pope Felix I

** Pope Anastasius I

** Blessed Pope Pius IX

** Pope Leo III

** Pope Leo III

** Pope Silverius

** Pope Leo II

** Pope Eugene I

** Pope Marcellus I

** Pope Agatho ( Roman Catholic )

** Pope Sixtus III

** Pope Alexander I

** The nuncio Eugenio Pacelli, the future Pope Pius XII, is consecrated Archbishop by Pope Benedict XV

** Luigi Oreglia di Santo Stefano, Italian Catholic churchman and last surviving cardinal of Pius IX ( b. 1828 )

** The Encyclical Divini Redemptoris of Pope Pius XI about communism is published.

** Pope Pius VII

** Pope Pius XI ( Achille Ratti ) succeeds Pope Benedict XV as the 259th pope.

** Some, including the leadership of the Society of St Pius X, hold that it is in principle valid as a sacramental rite but maintain that the revisions in the liturgy are displeasing to God, and that it is often celebrated improperly to the extent of being sacramentally invalid.

** Robert Poulin, murderer responsible for the St. Pius X High School shooting ( b. 1957 )

** Pope Pius XI sends a message to the government of the Irish Free State praying for a " happy era of peace and prosperity ".

** St. Pius College, Ranipuram

** Antoninus Pius ( 86 – 161 )

** Bishop Pius Mlungisi Dlungwana appointed 3 March 2006.

** The appointed governor of Hispania Ulterior, Quintus Caecilius Metellus Pius, attacks the positions of Quintus Sertorius ' armies, namely the city of Lacobriga ( probably Lagos in the Algarve ), but is unable to take it.

** Quintus Sertorius defeats the generals Gnaeus Pompeius Magnus and Quintus Caecilius Metellus Pius at the Battle of Saguntum.

** In Baetica, Quintus Caecilius Metellus Pius defeats Hirtuleius, who is obliged to flee.

** Quintus Caecilius Metellus Pius again defeats Hirtuleius and is able to join his armies with those of Gnaeus Pompeius Magnus.

** Battle of the Sucro where Quintus Caecilius Metellus Pius, Gnaeus Pompeius Magnus and Lucius Afranius defeat Quintus Sertorius.

** Quintus Caecilius Metellus Pius pacifies and submits Hispania Ulterior.