45 BC

Millennium:	1st millenniumBC
Centuries:	2nd centuryBC 1st centuryBC 1st century
Decades:	60sBC 50sBC 40sBC 30sBC 20sBC
Years:	48BC 47BC 46BC 45BC 44BC 43BC 42BC

45 BC in variouscalendars

Gregorian calendar	45 BC XLV BC
Ab urbe condita	709
Ancient Egypt era	XXXIIIdynasty,279
- Pharaoh	Cleopatra VII,7
Ancient Greek era	183rdOlympiad,year 4
Assyrian calendar	4706
Balinese saka calendar	N/A
Bengali calendar	−637
Berber calendar	906
Buddhist calendar	500
Burmese calendar	−682
Byzantine calendar	5464–5465
Chinese calendar	Ất hợiNăm (WoodPig) 2653 or 2446 — to — Bính tử năm (FireRat) 2654 or 2447
Coptic calendar	−328 – −327
Discordian calendar	1122
Ethiopian calendar	−52 – −51
Hebrew calendar	3716–3717
Hindu calendars
-Vikram Samvat	12–13
-Shaka Samvat	N/A
-Kali Yuga	3056–3057
Holocene calendar	9956
Iranian calendar	666 BP – 665 BP
Islamic calendar	686 BH – 685 BH
Javanese calendar	N/A
Julian calendar	45 BC XLV BC
Korean calendar	2289
Minguo calendar	1956 beforeROC Dân trước 1956 năm
Nanakshahi calendar	−1512
Seleucid era	267/268AG
Thai solar calendar	498–499
Tibetan calendar	Âm mộc heo năm (female Wood-Pig) 82 or −299 or −1071 — to — Dương hỏa chuột năm (male Fire-Rat) 83 or −298 or −1070

Year45 BCwas either acommon year starting on Thursday,FridayorSaturdayor aleap year starting on FridayorSaturday(link will display the full calendar) (the sources differ, seeleap year errorfor further information) and the first year of theJulian calendarand aleap year starting on Fridayof theProleptic Julian calendar.At the time, it was known as theYear of the Consulship of Caesar without Colleague(or, less frequently,year 709Ab urbe condita). The denomination 45 BC for this year has been used since the early medieval period, when theAnno Dominicalendar erabecame the prevalent method in Europe for naming years.

Events

By place

Roman Republic

• Fourth consulship ofGaius Julius Caesar(without colleague).
• January 1– TheJulian calendartakes effect as the civil calendar of the Roman Empire, establishing a solar calendar that is based on the Egyptian calendar of the day.
• March 17–Civil War:In his last victory,Julius Caesardefeats thePompeianforces ofTitus LabienusandPompey the youngerin theBattle of Munda.Labienusdies inbattle,Pompey the youngerisexecuted,butSextus Pompeyescapes to take command of the remnants of the Pompeian fleet.
• The veterans ofJulius Caesar's LegionsLegio XIII GeminaandLegio X Equestrisdemobilize. The veterans of the 10th legion aresettledinNarbo,while those of the 13th are given somewhat better lands inItaliaitself.
• End of the Roman Civil War
• Caesar is nameddictatorfor life.
• Caesar probably writes hisCommentariesin this year.

Asia

• Possible first year of theAzes IEra.

Births

• Iullus Antonius,son ofMark AntonyandFulvia;consul10 BC(d.2 BC)
• Wang Mang,usurper of theHan dynastyand emperor of theXin dynasty(d.AD 23)

Deaths

• February –Tullia,daughter ofCicero(b.79 BCor78 BC)
• March 17
  • Titus Labienus,Roman general (killed in theBattle of Munda) (b. c.100 BC)
  • Publius Attius Varus,Roman governor (killed in the Battle of Munda)
• April 12–Gnaeus Pompeius,son ofPompeythe Great (executed after the Battle of Munda)
• December 31–Quintus Fabius Maximus,Roman general and politician
• Nigidius Figulus,Roman scholar (b.98 BC)
• Publius Cornelius Sulla,Roman politician