Millennium:	1st millennium BC
Centuries:	2nd century BC - 1st century BC - 1st century
Decades:	90s BC  80s BC  70s BC  - 60s BC -  50s BC  40s BC  30s BC
Years:	66 BC 65 BC 64 BC - 63 BC - 62 BC 61 BC 60 BC

63 BC by topic

Politics

State leaders - Sovereign states

Birth and death categories

Births - Deaths

Establishments and disestablishments categories

Establishments - Disestablishments v • d • e

63 BC in other calendars

Gregorian calendar	63 BC
Ab urbe condita	691
Armenian calendar	N/A
Bahá'í calendar	-1906 – -1905
Berber calendar	888
Buddhist calendar	482
Burmese calendar	-700
Byzantine calendar	5446 – 5447
Chinese calendar	[[Sexagenary cycle|]]年 (2574/2634) — to — [[Sexagenary cycle|]]年 (2575/2635)
Coptic calendar	-346 – -345
Ethiopian calendar	-70 – -69
Hebrew calendar	3698 – 3699
Hindu calendars
- Vikram Samvat	-7 – -6
- Shaka Samvat	N/A
- Kali Yuga	3039 – 3040
Holocene calendar	9938
Iranian calendar	684 BP – 683 BP
Islamic calendar	705 BH – 704 BH
Japanese calendar
Korean calendar	2271
Thai solar calendar	481
v • d • e

Year 63 BC was a year of the pre-Julian calendar.

Events

By place

Rome

• Pompey conquers Phonecia, Coele-Syria, and Judea for Rome.
• Establishment of the Decapolis and Year 1 of the Pompeian era.
• Roman annexation of Judea as a client kingdom. King Judah Aristobulus II removed from power, while his brother John Hyrcanus II becomes king under Roman suzerainty.
• Julius Caesar elected Pontifex Maximus. Caesar also elected praetor for 62.
• Marcus Tullius Cicero is senior consul. He is the first novus homo (new man) to be elected to the consulship in 31 years.
• Cato the younger is elected tribune of the people for 62, taking office in early December 63.
• Catiline's conspiracy against the Roman Republic is foiled.

Pontus

• Pharnaces II becomes King of Pontus

Births

• September 23 — Augustus Octavius Caesar, first Roman Emperor (d. AD 14)
• Strabo — Greek historian, geographer and philosopher (d. c. AD 24)
• Didymus Chalcenterus — Greek scholar and grammarian (approximate date) (d. c. AD 10)
• Marcus Vipsanius Agrippa — Roman statesman and general (d. 12 BC)

Deaths

• Those involved in the organisation of the Catilinarian conspiracy in Rome, including Publius Cornelius Lentulus Sura.
• Mithridates VI, King of Pontus
• Quintus Caecilius Metellus Pius, pontifex maximus and general (b. c. 130 BC or 127 BC)