John IV Laskaris

1250 - 1305

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John IV Doukas Laskaris (or Ducas Lascaris) (Greek: Ἰωάννης Δούκας Λάσκαρις, Iōannēs Doukas Laskaris) (December 25, 1250 – c. 1305) was emperor of Nicaea from August 16, 1258, to December 25, 1261. Read more on Wikipedia

Since 2007, the English Wikipedia page of John IV Laskaris has received more than 122,134 page views. His biography is available in 41 different languages on Wikipedia (up from 39 in 2019). John IV Laskaris is the 1,469th most popular politician (down from 1,459th in 2019), the 212th most popular biography from Turkey and the 118th most popular Turkish Politician.

Laskaris is most famous for being the emperor of the Byzantine Empire from 1258 to 1261. His reign was marked by his attempts to retake Constantinople from the Latins.

Memorability Metrics

  • 120k

    Page Views (PV)

  • 74.49

    Historical Popularity Index (HPI)

  • 41

    Languages Editions (L)

  • 11.43

    Effective Languages (L*)

  • 2.40

    Coefficient of Variation (CV)

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Among politicians, John IV Laskaris ranks 1,469 out of 15,710Before him are Zaynab bint Jahsh, Carloman I, Rutherford B. Hayes, Cuauhtémoc, Francis I of the Two Sicilies, and Georgy Lvov. After him are Ehud Barak, Edmund I, Abel, King of Denmark, Archduchess Sophie of Austria, Emperor Xian of Han, and Friedrich Fromm.

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Among people born in 1250, John IV Laskaris ranks 1After him are Manco Cápac, Arghun, Fra Dolcino, Kitbuqa, Alaeddin Pasha, Marguerite Porete, Al-Muazzam Turanshah, Oghul Qaimish, Robert II, Count of Artois, Moses de León, and Pietro d'Abano. Among people deceased in 1305, John IV Laskaris ranks 3Before him are William Wallace and Joan I of Navarre. After him are Wenceslaus II of Bohemia, Roger de Flor, Guy, Count of Flanders, Moses de León, Roger of Lauria, Nicholas of Tolentino, Jean de Meun, Maximus Planudes, and Emperor Kameyama.

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In Turkey

Among people born in Turkey, John IV Laskaris ranks 212 out of 1,128Before him are Dragut (1485), Uzun Hasan (1423), Isaac I Komnenos (1007), Yunus Emre (1240), Kayqubad I (1188), and Constantine VIII (960). After him are Saint Nino (296), Gyges of Lydia (-790), Ahmet Necdet Sezer (1941), Romanos III Argyros (968), Michael Psellos (1018), and Giorgos Seferis (1900).


Among politicians born in Turkey, John IV Laskaris ranks 118Before him are Romanos II (938), Alexios IV Angelos (1182), Uzun Hasan (1423), Isaac I Komnenos (1007), Kayqubad I (1188), and Constantine VIII (960). After him are Gyges of Lydia (-790), Ahmet Necdet Sezer (1941), Romanos III Argyros (968), Alexios V Doukas (1140), Constantine VI (771), and Pharamond (370).