Since the historians who first wrote of her were Greek, the Hellenic form of her name is used most frequently. Many Greek historians recorded that she "defeated and killed" Cyrus the Great, founder of the Achaemenid Empire, during his invasion and attempted conquest of her country.

Who killed Cyrus?

According to the Chronicle of Michael the Syrian (1166–1199 AD) Cyrus was killed by his wife Tomyris, queen of the Massagetae (Maksata), in the 60th year of Jewish captivity.

Who defeated Cyrus in the great battle?

After strengthening his influence over the eastern part of the Iranian Plateau, Cyrus turned his attention to the nomadic Sacae. He captured their king Amorges, but Amorges' wife Sparethra gathered an army of 300,000 men and 200,000 women and defeated Cyrus in battle.