For 10 points, name this Persian king, the father of Xerxes I.
This ruler argues against Otanes and Megabyzus that monarchy is the best form of government in a passage of a major historical work called the "Constitutional Debate." This ruler described his overthrow of the usurper Gaumata in a monument carved into the face of a cliff. Ruling from Tachara Palace, he increased the number of Satraps to twenty-three. This author of the Behistun inscription began the construction of Persepolis. His expedition to crush Eretria following the Ionian Revolt was defeated by the Athenians at the Battle of Marathon. For 10 points, name this Persian king, the father of Xerxes I.
This ruler argues against Otanes and Megabyzus that monarchy is the best form of government in a passage of a major historical work called the "Constitutional Debate.
Darius I [or Darius the Great]