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6 BC

Caesar Augustus sent ferrets (named 'viverrae' by Plinius) to the Balearic Islands to control the rabbit plagues.

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7 BC

Possible birthdate of Jesus, according to appearance of a very bright triple conjunction of the royal star Jupiter and Saturn in the sign of Pisces (= land in the west) in May until December of that year since 854 years, with a retrogradation and stationing in 12 November, 7 BC

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9 BC

The Ara Pacis (Altar of Peace), voted by the Senate four years earlier, was dedicated.

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11 BC

Battle of the Lupia River — Roman forces under Augustus's stepson Nero Claudius Drusus win a victory in Germania.

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12 BC

First official mention of Argentoratum, the city now known as Strasbourg.

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14 BC

Augsburg (Augusta Vindelicorum) is founded by the Roman Emperor Caesar Augustus

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15 BC

Vienna becomes a frontier city guarding the Roman Empire against the German tribes to the north.

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17 BC

Under the emperor Augustus, Rome celebrated the Secular games, for which Horace's hymn the Carmen Saeculare was commissioned.

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19 BC

• Roman general Marcus Agrippa completed the Aqua Virgo aqueduct.
• The last remnants of Spain were brought under Roman control.
• King Herod began rebuilding the Temple of Jerusalem.

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21 BC

Marcus Vipsanius Agrippa divorces Claudia Marcella Major, and marries Julia the Elder, daughter of Augustus.