103 BC

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Millennium: 1st millennium BC
103 BC in various calendars
Gregorian calendar103 BC
Ab urbe condita651
Ancient Egypt eraXXXIII dynasty, 221
- PharaohPtolemy X Alexander, 5
Ancient Greek era169th Olympiad, year 2
Assyrian calendar4648
Balinese saka calendarN/A
Bengali calendar−695
Berber calendar848
Buddhist calendar442
Burmese calendar−740
Byzantine calendar5406–5407
Chinese calendar丁丑年 (Fire Ox)
2594 or 2534
    — to —
戊寅年 (Earth Tiger)
2595 or 2535
Coptic calendar−386 – −385
Discordian calendar1064
Ethiopian calendar−110 – −109
Hebrew calendar3658–3659
Hindu calendars
 - Vikram Samvat−46 – −45
 - Shaka SamvatN/A
 - Kali Yuga2998–2999
Holocene calendar9898
Iranian calendar724 BP – 723 BP
Islamic calendar746 BH – 745 BH
Javanese calendarN/A
Julian calendarN/A
Korean calendar2231
Minguo calendar2014 before ROC
Nanakshahi calendar−1570
Seleucid era209/210 AG
Thai solar calendar440–441
Tibetan calendar阴火牛年
(female Fire-Ox)
24 or −357 or −1129
    — to —
(male Earth-Tiger)
25 or −356 or −1128

Year 103 BC was a year of the pre-Julian Roman calendar. At the time it was known as the Year of the Consulship of Marius and Orestes (or, less frequently, year 651 Ab urbe condita) and the Second Year of Taichu. The denomination 103 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.


By place[edit]

Roman Republic[edit]



  • After having fought their way west across arid regions, the Han expeditionary force under Li Guangli fails to capture the Dayuan city of Yucheng and returns east to the area of Dunhuang, having lost 90% of their men.
  • Emperor Wu of Han reinforces Li Guangli's army with 60,000 men, numerous horses and beasts of burden, and more than fifty high-ranking officers. Li Guangli's army then returns west.[1]
  • Spring - After the Xiongnu Left Commander offers to kill Er Chanyu and surrender to the Han, Emperor Wu sends the Han general Zhao Ponu with an army of 20,000 to invade Xiongnu territory. When Zhao reaches the Altay Mountains, the commander's conspiracy is discovered, and after killing the commander, Er marches against Zhao but suffers an initial defeat.
  • Summer - The Han army retreats south, but the Xiongnu surround them. After capturing Zhao Ponu during the night, the Xiongnu defeat and force the surrender of the Han soldiers.
  • The Xiongnu invade parts of China and unsuccessfully attack Shouxiang.[2]




  1. ^ Hung, Hing Ming (2020). The Magnificent Emperor Wu: China's Han Dynasty. pp. 198–199. ISBN 978-1628944167.
  2. ^ Hung, Hing Ming (2020). The Magnificent Emperor Wu: China's Han Dynasty. pp. 198–199, 206–208. ISBN 978-1628944167.