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|AD 30 by topic|
|Gregorian calendar||AD 30|
|Ab urbe condita||783|
|Balinese saka calendar||N/A|
|Chinese calendar||己丑年 (Earth Ox)|
2726 or 2666
— to —
庚寅年 (Metal Tiger)
2727 or 2667
|Coptic calendar||−254 – −253|
|- Vikram Samvat||86–87|
|- Shaka Samvat||N/A|
|- Kali Yuga||3130–3131|
|Iranian calendar||592 BP – 591 BP|
|Islamic calendar||610 BH – 609 BH|
|Julian calendar||AD 30|
|Minguo calendar||1882 before ROC|
|Seleucid era||341/342 AG|
|Thai solar calendar||572–573|
156 or −225 or −997
— to —
157 or −224 or −996
AD 30 (XXX) was a common year starting on Sunday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Vinicius and Longinus (or, less frequently, year 783 Ab urbe condita). The denomination AD 30 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
- April 7 (Good Friday) – Jesus was crucified (according to one dating scheme). He is later reported alive by his disciples.
- Agrippina the Elder (the wife of Germanicus) and two of her sons, Nero Julius Caesar and Drusus Caesar, are arrested and exiled on orders of Lucius Aelius Sejanus (the prefect of the Praetorian Guard), and later starved to death in suspicious circumstances. In Sejanus's purge of Agrippina the Elder and her family, her son Caligula, and her three daughters, Agrippina the Younger, Julia Drusilla and Julia Livilla are the only survivors.
- Phaedrus translates Aesop's fables, and composes some of his own.
- Velleius Paterculus writes the general history of the countries known in Antiquity.
- November 8 – Nerva, Roman emperor (d. AD 98)
- Jia Kui, Chinese Confucian philosopher (d. AD 101)
- Mobon of Goguryeo, Korean king (d. AD 53)
- Poppaea Sabina, second wife of Nero (d. AD 65)
- Quintus Petillius Cerialis, Roman general
- April 7 – Jesus of Nazareth, (possible date of the crucifixion) (born circa 4 BC) The other possible dates also supported by scholarly consensus among a survey of 100 published scholarly biblical statements are April 6, AD 31 and April 3, AD 33.
- Shammai, Jewish Talmudic scholar (b. 50 BC)
- Suetonius, The Lives of Twelve Caesars, Life of Tiberius, pp. 53–54.
- "Phaedrus Biography - eNotes.com". eNotes. Retrieved January 11, 2018.
- Johnson, Marguerite (2012). Boudicca. A&C Black. p. 13. ISBN 9781853997327.
- Colin J. Humphreys and W. G. Waddington, "Dating the Crucifixion ," Nature 306 (December 22/29, 1983), pp. 743-46. 
- Colin Humphreys, The Mystery of the Last Supper Cambridge University Press 2011 ISBN 978-0-521-73200-0, page 194
- Blinzler, J. Der Prozess Jesu, fourth edition, Regensburg, Pustet, 1969, pp101-126
- Colin Humphreys, The Mystery of the Last Supper Cambridge University Press 2011 ISBN 978-0-521-73200-0, pages 14 and 62