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This article is about the year 99. For the number, see 99 (number). For other uses, see 99 (disambiguation).
Millennium: 1st millennium
Centuries: 1st century BC1st century2nd century
Decades: 60s  70s  80s  – 90s –  100s  110s  120s
Years: 96 97 9899100 101 102
99 by topic
State leadersSovereign states
Birth and death categories
Establishment and disestablishment categories
99 in other calendars
Gregorian calendar 99
Ab urbe condita 852
Assyrian calendar 4849
Bengali calendar −494
Berber calendar 1049
Buddhist calendar 643
Burmese calendar −539
Byzantine calendar 5607–5608
Chinese calendar 戊戌(Earth Dog)
2795 or 2735
    — to —
己亥年 (Earth Pig)
2796 or 2736
Coptic calendar −185 – −184
Discordian calendar 1265
Ethiopian calendar 91–92
Hebrew calendar 3859–3860
Hindu calendars
 - Vikram Samvat 155–156
 - Shaka Samvat 21–22
 - Kali Yuga 3200–3201
Holocene calendar 10099
Iranian calendar 523 BP – 522 BP
Islamic calendar 539 BH – 538 BH
Julian calendar 99
Korean calendar 2432
Minguo calendar 1813 before ROC
Seleucid era 410/411 AG
Thai solar calendar 641–642

Year 99 (XCIX) was a common year starting on Tuesday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Palma and Senecio (or, less frequently, year 852 Ab urbe condita). The denomination 99 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.


  • Emperor Trajan returns to Rome from an inspection of the Roman legions along the Rhine and Danube frontiers.
  • Emissaries of the Kushan Empire reach Emperor Trajan.[1]
  • Richimerus I fights a battle with a combined army of Romans and Gauls at Basana near Aachen.[2]




  1. ^ Illustrated Encyclopaedia of World History. Mittal Publications. p. 1492. 
  2. ^ Hoeh, Herman L. (1969). Compendium of World History. Volume 2, Based on the Frankish Chronicles.