AD 84

AD 84 (LXXXIV) was a leap year starting on Thursday (link will display the full calendar) of the Julian calendar. In the Roman Empire, it was known as the Year of the Consulship of Augustus and Sabinus (or, less frequently, year 837 Ab urbe condita). The denomination AD 84 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.

Millennium:	1st millennium
Centuries:	1st century BC 1st century 2nd century
Decades:	60s 70s 80s 90s 100s
Years:	81 82 83 AD 84 85 86 87

AD 84 in various calendars

Gregorian calendar	AD 84 LXXXIV
Ab urbe condita	837
Assyrian calendar	4834
Balinese saka calendar	5–6
Bengali calendar	−509
Berber calendar	1034
Buddhist calendar	628
Burmese calendar	−554
Byzantine calendar	5592–5593
Chinese calendar	癸未年 (Water Goat) 2781 or 2574     — to — 甲申年 (Wood Monkey) 2782 or 2575
Coptic calendar	−200 – −199
Discordian calendar	1250
Ethiopian calendar	76–77
Hebrew calendar	3844–3845
Hindu calendars
- Vikram Samvat	140–141
- Shaka Samvat	5–6
- Kali Yuga	3184–3185
Holocene calendar	10084
Iranian calendar	538 BP – 537 BP
Islamic calendar	555 BH – 554 BH
Javanese calendar	N/A
Julian calendar	AD 84 LXXXIV
Korean calendar	2417
Minguo calendar	1828 before ROC 民前1828年
Nanakshahi calendar	−1384
Seleucid era	395/396 AG
Thai solar calendar	626–627
Tibetan calendar	阴水羊年 (female Water-Goat) 210 or −171 or −943     — to — 阳木猴年 (male Wood-Monkey) 211 or −170 or −942

Events

By place

Roman Empire

• Possible date of the Battle of Mons Graupius (AD 83 or 84), in which Gnaeus Julius Agricola defeats the Caledonians.
• Emperor Domitian recalls Agricola back to Rome, where he is rewarded with a triumph and the governorship of the Roman province of Africa, but he declines it.
• Pliny the Younger is sevir equitum Romanorum (commander of a cavalry squadron).
• The construction of the limes, a line of Roman fortifications from the Rhine to the Danube, has begun.
• Through his election as consul for ten years and censor for life, Domitian openly subordinates the republican aspect of the state to the monarchical.
• Domitian increases the troops' pay by one third, thus securing their loyalty.

Asia

• Change from Jianchu to Yuanhe era of the Chinese Eastern Han Dynasty.

Deaths

• Luke the Evangelist, Greek physician and martyr
• Titus Flavius Sabinus, Roman consul married Julia Flavia (executed)