This article is about the year 171. For the number, see171 (number). For the year of the pre-Julian Roman calendar, see171 BC. For other uses, see171 (disambiguation).
阳金狗年 (male Iron-Dog) 297 or −84 or −856 — to — 阴金猪年 (female Iron-Pig) 298 or −83 or −855
Year171 (CLXXI) was acommon year starting on Monday of theJulian calendar. At the time, it was known in Rome as theYear of the Consulship of Severus and Herennianus (or, less frequently,year 924Ab urbe condita). The denomination 171 for this year has been used since the early medieval period, when theAnno Dominicalendar era became the prevalent method in Europe for naming years.
EmperorMarcus Aurelius forms a new military command, thepraetentura Italiae et Alpium.Aquileia is relieved, and theMarcomanni are evicted from Roman territory.[1]
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