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This article is about the year 121. For the number, see 121 (number).
Millennium: 1st millennium
Centuries: 1st century2nd century3rd century
Decades: 90s  100s  110s  – 120s –  130s  140s  150s
Years: 118 119 120121122 123 124
121 by topic
State leadersSovereign states
Birth and death categories
Establishment and disestablishment categories
121 in other calendars
Gregorian calendar 121
Ab urbe condita 874
Assyrian calendar 4871
Bengali calendar −472
Berber calendar 1071
Buddhist calendar 665
Burmese calendar −517
Byzantine calendar 5629–5630
Chinese calendar 庚申(Metal Monkey)
2817 or 2757
    — to —
辛酉年 (Metal Rooster)
2818 or 2758
Coptic calendar −163 – −162
Discordian calendar 1287
Ethiopian calendar 113–114
Hebrew calendar 3881–3882
Hindu calendars
 - Vikram Samvat 177–178
 - Shaka Samvat 42–43
 - Kali Yuga 3221–3222
Holocene calendar 10121
Iranian calendar 501 BP – 500 BP
Islamic calendar 516 BH – 515 BH
Javanese calendar N/A
Julian calendar 121
Korean calendar 2454
Minguo calendar 1791 before ROC
Nanakshahi calendar −1347
Seleucid era 432/433 AG
Thai solar calendar 663–664

Year 121 (CXXI) 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 Verus and Augur (or, less frequently, year 874 Ab urbe condita). The denomination 121 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]


  • Era name changes from Yongning (2nd year) to Jianguang in the Chinese Eastern Han Dynasty.