Datis

5th-century BC Median/Persian admiral

Datis or Datus was a Median noble and admiral who served the Persian Empire during the reign of Darius the Great. He was familiar with Greek affairs and maintained connections with Greek leaders. He is noted for his joint leadership with the younger Artaphernes of the Persian forces in the first campaign of the Persian Wars against the Greeks.

This keyword could refer to multiple things. Here are some suggestions: