20 ق.م.

ألفية:	الألفية 1 ق.م.
قرون:	القرن 2 ق.م. – القرن 1 ق.م. – القرن 1
عقود:	عقد 50 ق.م. عقد 40 ق.م. عقد 30 ق.م. – عقد 20 ق.م. – عقد 10 ق.م. عقد 0 ق.م. عقد 0
سنين:	23 ق.م. 22 ق.م. 21 ق.م. – 20 ق.م. – 19 ق.م. 18 ق.م. 17 ق.م.

خطأ لوا: Invalid number -19.

Year 20 BC was either a common year starting on Wednesday or Thursday or a leap year starting on Tuesday, Wednesday or Thursday (link will display the full calendar) of the Julian calendar (the sources differ, see leap year error for further information) and a common year starting on Tuesday of the Proleptic Julian calendar. At the time, it was also known as the Year of the Consulship of Appuleius and Nerva (or, less frequently, year 734 Ab urbe condita). The denomination 20 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.

الأحداث

Wall fresco in the Casa della Farnesina (أعيد اكتشافها في 1879).

12 مايو - الإمبراطور Augustus Caesar negotiates a peace with Parthia, making Armenia a buffer zone between the two major powers. The captured eagles of Marcus Licinius Crassus and Mark Antony are returned.
Based on the scenes and the style of the work, the Portland Vase is believed to have been made in الإسكندرية في وقتٍ ما بين هذا العام وسنة 100 م.
الملك Herod the Great begins renovation of the Temple in Jerusalem.
Maison Carrée, Nîmes, فرنسا، is built (تاريخ تقريبي).

Marcus Verrius Flaccus' De verborum significatu is published. It is one of the first great dictionaries in history.

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