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AD 53 (LIII) was a common year starting on Monday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Silanus and Antonius (or, less frequently, year 806 Ab urbe condita). The denomination AD 53 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.
|Gregorian calendar||AD 53|
|Ab urbe condita||806|
|Balinese saka calendar||N/A|
|Chinese calendar||壬子年 (Water Rat)|
2749 or 2689
— to —
癸丑年 (Water Ox)
2750 or 2690
|Coptic calendar||−231 – −230|
|- Vikram Samvat||109–110|
|- Shaka Samvat||N/A|
|- Kali Yuga||3153–3154|
|Iranian calendar||569 BP – 568 BP|
|Islamic calendar||587 BH – 585 BH|
|Julian calendar||AD 53|
|Minguo calendar||1859 before ROC|
|Seleucid era||364/365 AG|
|Thai solar calendar||595–596|
179 or −202 or −974
— to —
180 or −201 or −973
- Roman emperor Claudius removes Agrippa II from the tetrarchy of Chalcis.
- Decimus Junius Silanus Torquatus and Quintus Haterius Antoninus become Roman consuls.
- Claudius secures a senatorial decree that gives jurisdiction in financial cases to imperial procurators. This marks a significant strengthening of imperial powers at the expense of the Senate.
- June 9 – Nero marries Claudia Octavia.
- Claudius accepts Nero as his successor, to the detriment of Britannicus, his son by his first wife, Valeria Messalina.
- Distinct fellowships within the reign of centricles[check spelling] fall to the dominion of Gaulic barbarians, which provoke an enclave uprising in the foothills of what are now the Alps.
- Cardiff is founded by Aulus Didius Gallus.