阳水虎年 (male Water-Tiger) −11 or −392 or −1164 — to — 阴水兔年 (female Water-Rabbit) −10 or −391 or −1163
Year 138 BC was a year of the pre-Julian Roman calendar. At the time it was known as the Year of the Consulship of Serapio and Callaicus (or, less frequently, year 616 Ab urbe condita) and the Third Year of Jianyuan. The denomination 138 BC for this year has been used since the early medieval period, when the Anno Dominicalendar era became the prevalent method in Europe for naming years.
Grand Empress Dowager Dou, the grandmother of Emperor Wu of Han, purges the high administration of officials to consolidate her power. Among those dismissed are Prime Minister Dou Yong and her own half-brother, the General-in-Chief Tian Fen. Two of the young emperor's closest advisors, Zhao Wan and Wang Zang, are arrested and commit suicide.[1]
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Hymn to Apollo is written and inscribed on stone in Delphi; it is the earliest surviving notated music, in a substantial and legible fragment, in the western world.