42

Millennium:	1st millennium
Centuries:	1st century BC – 1st century – 2nd century
Decades:	10s 20s 30s – 40s – 50s 60s 70s
Years:	39 40 41 – 42 – 43 44 45

Year 42 (XLII) was a common year starting on Monday (link will display the full calendar) of the Julian calendar.

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

Events

Consuls are Emperor Claudius and Gaius Caecina Largus.
Romans take control of Ceuta, a port city on the North African side of the Strait of Gibraltar.
The territories of the current Algeria and Morocco become a Roman province.
The Dalmatian legate, Furius Camillus Scribonianus, revolts but his troops defect and his rebellion quickly withers.
Claudius begins construction of Portus, the harbour bears a lighthouse and is sited on the right bank of the Tiber.

Suro becomes the first king of Geumgwan Gaya in the Korean peninsula.
The Chinese General Ma Yuan represses the rebellion of the Trung sisters in Tonkin.

25 January—Conversion of the Apostle Paul to Christianity. In reality, the exact date is unknown, but the Roman Catholic Church has chosen to commemorate this date.