78 BC

Millennium:	1st millennium BC
Centuries:	2nd century BC 1st century BC 1st century
Decades:	90s BC 80s BC 70s BC 60s BC 50s BC
Years:	81 BC 80 BC 79 BC 78 BC 77 BC 76 BC 75 BC

78 BC in various calendars

Gregorian calendar	78 BC LXXVIII BC
Ab urbe condita	676
Ancient Egypt era	XXXIII dynasty, 246
- Pharaoh	Ptolemy XII Auletes, 3
Ancient Greek era	175th Olympiad, year 3
Assyrian calendar	4673
Balinese saka calendar	N/A
Bengali calendar	−670
Berber calendar	873
Buddhist calendar	467
Burmese calendar	−715
Byzantine calendar	5431–5432
Chinese calendar	壬寅年 (Water Tiger) 2620 or 2413     — to — 癸卯年 (Water Rabbit) 2621 or 2414
Coptic calendar	−361 – −360
Discordian calendar	1089
Ethiopian calendar	−85 – −84
Hebrew calendar	3683–3684
Hindu calendars
- Vikram Samvat	−21 – −20
- Shaka Samvat	N/A
- Kali Yuga	3023–3024
Holocene calendar	9923
Iranian calendar	699 BP – 698 BP
Islamic calendar	720 BH – 719 BH
Javanese calendar	N/A
Julian calendar	N/A
Korean calendar	2256
Minguo calendar	1989 before ROC 民前1989年
Nanakshahi calendar	−1545
Seleucid era	234/235 AG
Thai solar calendar	465–466
Tibetan calendar	阳水虎年 (male Water-Tiger) 49 or −332 or −1104     — to — 阴水兔年 (female Water-Rabbit) 50 or −331 or −1103

Year 78 BC was a year of the pre-Julian Roman calendar. At the time it was known as the Year of the Consulship of Lepidus and Catulus. Later and less frequently, it was known as the year 676 AUC). The denomination 78 BC for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.

Events

By place

Roman Republic

• In Rome, Marcus Aemilius Lepidus becomes consul. He attempts to undermine the Sullan reforms, quarrels with his consular colleague, is sent to govern Transalpine Gaul, and initiates a rebellion against the Senate with his army there.
• The Senate sends Publius Servilius Vatia to Cilicia as governor, where he fights a successful campaign against the Piracy in southern Anatolia (Lycia, Pamphylia and Isauria), he is thereafter known by the agnomen Isauricus.
• The Tabularium is built in the Forum.
• The Third Dalmatian war begins.
• Julius Caesar returns to Rome after about two years of service in the army

Births

• Jing Fang, Chinese mathematician and music theorist (d. 37 BC)

Deaths

• Lucius Cornelius Sulla, Roman general and statesman (b. 138 BC)