4 BC Jesus is born (est).
26 John the Baptist begins his ministry.
30 Jesus is crucified in Jerusalem by Roman Governor, Pontius Pilate.
35 The Apostle Paul is converted to Christianity and begins his advocacy for his faith.
47 The Church of the East is created by Saint Thomas.
59 The Apostle Paul is imprisoned in Rome.
60 First gospel is published (thought to be the Gosple of Mark).
70 A Jewish rebellion against Roman rule. The temple in Jerusalem is destroyed.
70 The centre of Christianity is moved to Antioch, Alexandria and Rome.
90 The Book of Revelation and Gospel of Saint John are written.
180 Twelve inhabitants of Scillium in North Africa are executed for being Christians. This is the earliest record of Christianity in that part of the world.
303 Diocletian, Roman Emperor, publishes his edict that begins the persecution of Christians in his portion of the Empire.
313 Emperor Constantine makes practicing Christianity legal within the Roman Empire.
325 Emperor Constantine calls the first ecumenical council at Nicea.
394 Battle of the Frigidus: The Christian Roman Emperor Theodosius I defeats and kills the pagan usurper Eugenius and his Frankish ''magister militum'' Arbogast.
397 Synod at Carthage ratifies the 27 books of the New Testament as sacred scripture.
451 Battle of Avarayr between Armenian rebels and the Sassanid Empire takes place. The Empire defeats the Armenians militarily but guarantees them freedom to openly practice Christianity.
664 Synod of Whitby ratifies the authority of the Pope in England.
1000 The foundation of the Kingdom of Hungary: Hungary is established as a Christian kingdom by Stephen I of Hungary.
1099 The First Crusade ends with the successful seige of Jerusalem.
1099 First Crusade: 15,000 starving Christian soldiers march in a religious procession around Jerusalem as its Muslim defenders look on.
1099 First Crusade: Christian soldiers take the Church of the Holy Sepulchre in Jerusalem after the final assault of a difficult siege.
1229 James I of Aragon the Conqueror enters Medina Mayurqa (now known as Palma, Spain) thus consummating the Christian reconquest of the island of Majorca.
1396 Ottoman Emperor Bayezid I defeats a Christian army at the Battle of Nicopolis.
1480 Battle of Otranto: Ottoman troops behead 800 Christians for refusing to convert to Islam.
1492 Queen Isabella of Castille issues the Alhambra decree, ordering her 150,000 Jewish subjects to convert to Christianity or face expulsion.
1517 Martin Luther posts his 95 Theses in Wittenburg, Germany, beginning the Protestant reformation.
1593 Battle of Sisak: Allied Christian troops defeat the Turks.
1782 Gnadenhütten massacre: Ninety-six Native Americans in Gnadenhutten, Ohio, who had converted to Christianity are killed by Pennsylvania militiamen in retaliation for raids carried out by other Indians.
1793 French Revolution: Christianity is disestablished in France.
1870 The Christian holiday of Christmas is declared a federal holiday in the United States.
1982 Christian militia begin killing six-hundred Palestinians in Lebanon.
1991 Sudan's government imposes Islamic law nationwide, worsening the civil war between the country's Muslim north and Christian south.