52

Millennium:	1st millennium
Centuries:	1st century BC – 1st century – 2nd century
Decades:	20s 30s 40s – 50s – 60s 70s 80s
Years:	49 50 51 – 52 – 53 54 55

For the comic book, see 52 (comic book).

52 by topic
Politics
State leaders – Sovereign states
Birth and death categories
Births – Deaths
Establishment and disestablishment categories
Establishments – Disestablishments

Year 52 (LII) was a leap year starting on Saturday (link will display the full calendar) of the Julian calendar.

Events

Emperor Claudius attempts to control the Fucine Lake by digging a 5,6 km tunnel through Monte Salviano, requiring 30,000 workers and eleven years.
In Rome a law prohibits the execution of old and crippled slaves.
Ananias, a high priest in Jerusalem, is sent to Rome after being accused of violence.
Barea Soranus is consul suffectus in Rome.
Pliny the Elder writes his account of the German wars.
Tiridates I, brother of Vologases I, comes to power in Armenia as an adversary of the Romans.
In Britain, governor Publius Ostorius Scapula dies while campaigning against the Silures of south Wales. Following his death, the Roman Second Legion are heavily defeated by the Silures. His replacement is Aulus Didius Gallus, who quells the rebellion and consolidates the gains the Romans have so far made, but does not seek new ones.

The Yuejue Shu, the first known gazetteer of China, is written during the Han Dynasty.

Saint Thomas, one of the twelve disciples of Jesus, is believed to have landed in Kodungallur, India to preach the Gospel; the Marthoma Church, the Syro-Malabar Catholic Church, the Indian Orthodox Church, and the Assyrian Church of the East claim descent from him.