Rulers - Technology

RULERS:

There are five major ancient periods of the Persian Empire

•       The Medean Empire from 756 to 559 BCE and rulers Deices, Phraortes, Madius, Cyaxares and Astyages.

• The Achaemenid Empire from 550 to 330 BCE first ruler Cyrus who defeated  Astyages and established the Achaemenid House that interfered with the political developments in the Helladic region and were defeated by Alexander the Great.

• The Sassanid Empire from 226 BCE to 651 AD/ CE and the Sassanian Dynasty.

• The Parthians and the Arsacid dynasty from 250 to 226 BCE.

•  The Hellenistic Persia from 330 to 250 BCE under the rule of the Seleucid Dynasty.

 TECHNOLOGY: 

Persians made important contributions to algebra and chemistry, invented the wind-power machine, and the first distillation of alcohol. Trying to revive the golden time of Persian science, Iran’s scientists cautiously reach out to the world. Many individual Iranian scientists, along with the Iranian Academy of Medical Sciences and Academy of Sciences of Iran, are involved in this revival.