Ephialtes of Trachis

550 BC - 480 BC

Photo of Ephialtes of Trachis

Icon of person Ephialtes of Trachis

Ephialtes (; Greek: Ἐφιάλτης, Ephialtēs; although Herodotus spelled it as Ἐπιάλτης, Epialtes) was the son of Eurydemus (Greek: Εὐρύδημος) of Malis. Read more on Wikipedia

Since 2007, the English Wikipedia page of Ephialtes of Trachis has received more than 1,070,423 page views. His biography is available in 28 different languages on Wikipedia. Ephialtes of Trachis is the 1,219th most popular politician (down from 1,175th in 2019), the 102nd most popular biography from Greece (down from 96th in 2019) and the 40th most popular Greek Politician.

Ephialtes of Trachis is most famous for betraying the Greeks to the Persians in the Battle of Thermopylae.

Memorability Metrics

  • 1.1M

    Page Views (PV)

  • 75.52

    Historical Popularity Index (HPI)

  • 28

    Languages Editions (L)

  • 7.52

    Effective Languages (L*)

  • 2.31

    Coefficient of Variation (CV)

Page views of Ephialtes of Trachis by language


Among politicians, Ephialtes of Trachis ranks 1,219 out of 15,710Before him are Fuxi, Princess Ludovika of Bavaria, Napoléon, Prince Imperial, Ibrahim Pasha of Egypt, Baldwin I, Latin Emperor, and Philippikos Bardanes. After him are Humayun, 2nd Dalai Lama, Frank-Walter Steinmeier, Napoléon Louis Bonaparte, Nitocris, and Margaret of Anjou.

Most Popular Politicians in Wikipedia

Go to all Rankings


Among people born in 550 BC, Ephialtes of Trachis ranks 6Before him are Darius the Great, Cambyses II, Zechariah, Hecataeus of Miletus, and Aristides. After him are Mahākāśyapa, Haggai, Atossa, Goujian, Kapila, and Fuchai. Among people deceased in 480 BC, Ephialtes of Trachis ranks 2Before him is Leonidas I. After him are Cleombrotus, Onomacritus, and Appius Claudius Sabinus Regillensis.

Others Born in 550 BC

Go to all Rankings

Others Deceased in 480 BC

Go to all Rankings

In Greece

Among people born in Greece, Ephialtes of Trachis ranks 102 out of 855Before him are John III Doukas Vatatzes (1192), Pheidippides (-600), Alexander of Greece (1893), Philomena (291), Pope Hyginus (100), and Ibrahim Pasha of Egypt (1789). After him are Theo Angelopoulos (1935), Mardonius (-600), Djemal Pasha (1872), Phaedrus (-20), Dionysius the Areopagite (100), and Perseus of Macedon (-212).


Among politicians born in Greece, Ephialtes of Trachis ranks 40Before him are Aristides (-550), Ptolemy III Euergetes (-284), Polycrates (-600), John III Doukas Vatatzes (1192), Alexander of Greece (1893), and Ibrahim Pasha of Egypt (1789). After him are Perseus of Macedon (-212), Philip V of Macedon (-238), Eleftherios Venizelos (1864), Creon (null), Philoctetes (null), and Phryne (-371).