All dates except the first are A.D.; and all dates before 150 are uncertain.
B.C. 4:
Birth of Christ
A.D. 30:
Crucifixion; conversion of Paul
45-47:
First mission of Paul
50-53:
Second mission of Paul
51:
Paul in Athens
53-57:
Third mission of Paul
58-60:
Paul imprisoned by Felix
61-64:
Paul imprisoned in Rome
64:
Neronic persecution; d. of Peter and Paul
65:
Linus, Bishop of Rome
77:
Cletus, Bishop of Rome
60-100:
The Four Gospels
89:
Clement I, Bishop of Rome
90:
The Johannine epistles
98:
Evaristus, Bishop of Rome
106:
Alexander I, Bishop of Rome
116:
Xystus I, Bishop of Rome
126:
Telesphorus, Bishop of Rome
137:
Hyginus, Bishop of Rome
141:
Pius I, Bishop of Rome
150:
Justin’s First Apology
156:
Anicetus, Bishop of Rome
166:
Martyrdom of Polycarp
175:
Eleutherius, Bishop of Rome
177:
Martyrdoms at Lyons
178:
Irenaeus, Bishop of Lyons
190:
Victor I, Bishop of Rome
193:
Pertinax and Didius Julianus, emperors
193-211:
Septimius Severus, emperor
194:
Montanus; Clement or Alexandria
200:
Tertullian’s Liber Apologeticus
202:
Zephyrinus, Bishop of Rome
203:
Arch of Sept. Severus; Origen
205-70:
Plotinus
211-17:
Caracalla
212:
Caracalla extends citizenship
215:
Baths of Caracalla; Mani
218:
Callistus I, Bishop of Rome
218-22:
Elagabalus, emperor
222:
Urban I, Bishop of Rome
222-35:
Alexander Severus, emperor 228: Murder of Ulpian
235-58:
Maximinus, emperor
236:
Fabian, Bishop of Rome
238-44:
Gordianus I, II, III, emperors
241-72:
Shapur I, King of Persia
244-49:
Philip the Arab, emperor
248:
Cyprian, Bishop of Carthage; Origen’s Contra Celsum
249-51:
Decius, emperor; Diophantus, mathematician
251:
Cornelius, Bishop of Rome
251-53:
Gallus, emperor
253-60:
Valerianus, emperor
253-68:
Gallienus, emperor
254:
Marcomanni raid north Italy
255:
Shapur invades Syria
257:
Edict of Valerian against Christians
259:
Goths overrun Asia Minor
260:
First edict of toleration
260-66:
Odenathus at Palmyra
266-73:
Zenobia and Longinus at Palmyra
268-70:
Claudius II, emperor
270-75:
Aurelian, emperor
271:
Barbarians invade Italy
275-76:
Tacitus, emperor
276-82:
Probus, emperor
282-83:
Carus, Carinus, Numerianus, emperors
284-305:
Diocletian, emperor
286-305:
Maximianus co-Augustus
292:
Galerius and Constantius, Caesars
295:
Baths of Diocletian
296:
Marcellinus, Bishop of Rome
301:
Price Edict of Diocletian
303-11:
Diocletian persecution
306:
Constantine becomes a Caesar
307:
Maxentius and Maximian, Augusti; basilica of Maxentius
307-09:
Marcellus I, Bishop of Rome
307-10:
Lactantius’ Divinae lnstitutiones
307-13:
Constantine and Licinius, Augusti
309-10:
Eusebius, Bishop of Rome
312:
Battle of the Mulvian Bridge; Edict of Milan (?)
313:
Eusebius’ Church History
313-23:
Constantine and Licinius divide the Empire
314:
Council of Arles
314-36:
Sylvester I, Bishop of Rome
315:
Arch of Constantine
323:
Licinius defeated at Adrianople
324-37:
Constantine sole emperor
325:
Council of Nicaea
326:
Constantine kills son, nephew, and wife
330:
Constantinople made the capital
337:
Death of Constantine