31 BCE

Roman Palestine

• In the Judean Desert on an isolated rock plateau, fortress Masada is completed. Herod the Great builds an armory, barracks, storehouses and a palace.
• 31 BC Judea earthquake, earthquake mentioned in catalogues of historical earthquakes. It affected the Herodian Kingdom of Judea in the Holy Land.

Births

Aristobulus IV, Jewish prince of Judea (d. 7 BC)