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Shaka era


The Shaka era (IAST: Śaka era) is a historical calendar era, corresponding to Julian year 78. It is also known as Shalivahana Śaka era or rtgsMahasakkarat "Greater Era").

The origin of the Shaka era is highly controversial. There are two Shaka era system in scholarly use, one is called Old Shaka Era, whose epoch is uncertain, probably sometime in the 1st millennium BCE because ancient Buddhist, Jaina and Hindu inscriptions and texts use it, but this a subject of dispute among scholars. The other is called Saka Era of 78 AD, or simply Saka Era, a system that is common in epigraphic evidence from southern India. A parallel northern India system is the Vikrama Era, which is related to the Bikrami calendar linked to Vikramaditya.

The beginning of the Shaka era is now widely equated to the ascension of king Chashtana in 78 CE. His inscriptions, dated to the years 11 and 52, have been found at Andhau in Kutch region. These years are interpreted as Shaka years 11 (89 CE) and 52 (130 CE).

A previously more common view was that the beginning of the Shaka era corresponds to the ascension of Kanishka I in 78 CE. However, the latest research by Henry Falk indicates that Kanishka ascended the throne in 127 CE. Moreover, Kanishka was not a Shaka, but a Kushana ruler. Other historical candidates have included rulers such as Vima Kadphises, Vonones, and Nahapana.

According to historian Dineshchandra Sircar, the historically inaccurate notion of "Shalivahana era" appears to be based on the victory of the Satavahana ruler Gautamiputra Satakarni over some Shaka (Western Kshatrapa) kings. Sircar also suggests that the association of the northern king Vikramaditya with Vikrama era (also historically inaccurate) might have led the southern scholars to fabricate a similar legend of their own. Another similar account claims that the legendary emperor Vikramaditya defeated the Shakas in 78 CE, and the Shaka era marks the day of this conquest. This legend has been mentioned in the writings of Brahmagupta (7th century CE), Al-Biruni (973-1048 CE), and others. However, this is an obvious fabrication. Over time, the word "Shaka" became generic, and came to be mean "an era"; the era thus came to be known as "Shalivahana Shaka".


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