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This article is about the year 84. For the number, see 84 (number). For other uses, see 84 (disambiguation).
Millennium: 1st millennium
Centuries: 1st century BC1st century2nd century
Decades: 50s  60s  70s  – 80s –  90s  100s  110s
Years: 81 82 838485 86 87
84 by topic
State leadersSovereign states
Birth and death categories
Establishment and disestablishment categories
84 in other calendars
Gregorian calendar 84
Ab urbe condita 837
Assyrian calendar 4834
Bengali calendar −509
Berber calendar 1034
Buddhist calendar 628
Burmese calendar −554
Byzantine calendar 5592–5593
Chinese calendar 癸未(Water Goat)
2780 or 2720
    — to —
甲申年 (Wood Monkey)
2781 or 2721
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 84
Korean calendar 2417
Minguo calendar 1828 before ROC
Nanakshahi calendar −1384
Seleucid era 395/396 AG
Thai solar calendar 626–627

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


By place[edit]

Roman Empire[edit]

  • Possible date of the Battle of Mons Graupius (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 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, is 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.