46 BC

250 BC in various calendars

Gregorian calendar	250 BC CCL BC
Ab urbe condita	504
Ancient Egypt era	XXXIII dynasty, 74
- Pharaoh	Ptolemy II Philadelphus, 34
Ancient Greek era	132nd Olympiad, year 3
Assyrian calendar	4501
Balinese saka calendar	N/A
Bengali calendar	−842
Berber calendar	701
Buddhist calendar	295
Burmese calendar	−887
Byzantine calendar	5259–5260
Chinese calendar	庚戌年 (Metal Dog) 2448 or 2241     — to — 辛亥年 (Metal Pig) 2449 or 2242
Coptic calendar	−533 – −532
Discordian calendar	917
Ethiopian calendar	−257 – −256
Hebrew calendar	3511–3512
Hindu calendars
- Vikram Samvat	−193 – −192
- Shaka Samvat	N/A
- Kali Yuga	2851–2852
Holocene calendar	9751
Iranian calendar	871 BP – 870 BP
Islamic calendar	898 BH – 897 BH
Javanese calendar	N/A
Julian calendar	N/A
Korean calendar	2084
Minguo calendar	2161 before ROC 民前2161年
Nanakshahi calendar	−1717
Seleucid era	62/63 AG
Thai solar calendar	293–294
Tibetan calendar	阳金狗年 (male Iron-Dog) −123 or −504 or −1276     — to — 阴金猪年 (female Iron-Pig) −122 or −503 or −1275

46 BC in various calendars

Gregorian calendar	46 BC XLVI BC
Ab urbe condita	708
Ancient Egypt era	XXXIII dynasty, 278
- Pharaoh	Cleopatra VII, 6
Ancient Greek era	183rd Olympiad, year 3
Assyrian calendar	4705
Balinese saka calendar	N/A
Bengali calendar	−638
Berber calendar	905
Buddhist calendar	499
Burmese calendar	−683
Byzantine calendar	5463–5464
Chinese calendar	甲戌年 (Wood Dog) 2652 or 2445     — to — 乙亥年 (Wood Pig) 2653 or 2446
Coptic calendar	−329 – −328
Discordian calendar	1121
Ethiopian calendar	−53 – −52
Hebrew calendar	3715–3716
Hindu calendars
- Vikram Samvat	11–12
- Shaka Samvat	N/A
- Kali Yuga	3055–3056
Holocene calendar	9955
Iranian calendar	667 BP – 666 BP
Islamic calendar	688 BH – 686 BH
Javanese calendar	N/A
Julian calendar	46 BC XLVI BC
Korean calendar	2288
Minguo calendar	1957 before ROC 民前1957年
Nanakshahi calendar	−1513
Seleucid era	266/267 AG
Thai solar calendar	497–498
Tibetan calendar	阳木狗年 (male Wood-Dog) 81 or −300 or −1072     — to — 阴木猪年 (female Wood-Pig) 82 or −299 or −1071

Year 46 BC was the last year of the pre-Julian calendar. This year had 445 days due to the errors in the pre-Julian calendar. The Julian calendar was introduced in this year, although it did not go into effect until 45 BC.

Events

By place

Rome

• Consuls: Gaius Julius Caesar, Marcus Aemilius Lepidus
• Civil War:
  • January 4 — Titus Labienus bloodily defeats Julius Caesar in the Battle of Ruspina.
  • February 6 — Julius Caesar defeats the combined army of Pompeian followers and Numidians under Metellus Scipio and Juba at Thapsus.
  • April 20 — Cicero, in Rome, writes to Varro "If our voices are no longer heard in the Senate and in the Forum, let us follow the example of the ancient sages and serve our country through our writings, concentrating on questions of ethics and constitutional law."
  • September 26 — Julius Caesar dedicates a temple to his mythical ancestor Venus Genetrix in fulfillment of a vow he made at the battle of Pharsalus.
  • November — Caesar leaves for Farther Hispania to deal with a fresh outbreak of resistance.
  • Caesar reforms the Roman calendar to create the Julian calendar. The transitional year is extended to 445 days to synchronize the new calendar and the seasonal cycle. The Julian Calendar would remain the standard in the western world for over 1600 years, until superseded by the Gregorian Calendar in 1582.
  • Caesar appoints his nephew Octavian his heir.
  • Caesar subdues a mutiny of his Tenth Legion.
  • Caesar celebrates his Gallic Triumph, after which Vercingetorix is executed.
• c. 46 BC–39 BC — Vitruvius described Etruscan and Roman architecture.

Deaths

• Marcus Porcius Cato, the younger commits suicide after the battle of Thapsus
• Metellus Scipio (Quintus Caecilius Metellus Pius Cornelianus Scipio Nasica) killed at the battle of Thapsus while his forces attempt to surrender
• Vercingetorix, Gaul leader