20

Year 20 was a (link will display the full calendar) of the.

Roman Empire

 * is a.
 * becomes a.

Asia

 * First year of Dihuang era of the Chinese.

Arts and Sciences

 * defines as the maidservant of.

Deaths

 * , Talmudic scholar, his school and teachings were the most influential in the.
 * , wife of and former wife of . (b. 36 BC)