POLITICIAN

Siemowit IV, Duke of Masovia

1352 - 1426

Photo of Siemowit IV, Duke of Masovia

Icon of person Siemowit IV, Duke of Masovia

Siemowit IV (Ziemowit IV), also known as Siemowit IV the Younger (pl: Siemowit IV Młodszy; ca. 1353/1356 – 21 January 1426), was a Polish prince, member of the Masovian branch of the House of Piast and from 1373 or 1374 Duke of Rawa, and after the division of the paternal inheritance between him and his brother in 1381, ruler over Rawa, Płock, Sochaczew, Gostynin, Płońsk and Wizna, after 1386 hereditary Polish vassal, after 1388 ruler over Belz. Read more on Wikipedia

Since 2007, the English Wikipedia page of Siemowit IV, Duke of Masovia has received more than 65,225 page views. His biography is available in 17 different languages on Wikipedia (up from 15 in 2019). Siemowit IV, Duke of Masovia is the 11,219th most popular politician (down from 10,267th in 2019).

Memorability Metrics

  • 65k

    Page Views (PV)

  • 58.84

    Historical Popularity Index (HPI)

  • 17

    Languages Editions (L)

  • 3.75

    Effective Languages (L*)

  • 2.34

    Coefficient of Variation (CV)

Among POLITICIANS

Among politicians, Siemowit IV, Duke of Masovia ranks 11,219 out of 19,576. Before him are John I of Trebizond, Ulanhu, Charles II, Margrave of Baden-Durlach, Porcius Festus, Egbert II, Margrave of Meissen, and Agnes of Babenberg. After him are Nino Vaccarella, Thanin Kraivichien, Erik Gustaf Boström, Hans-Rudolf Merz, Marduk-apla-iddina I, and Ashikaga Yoshizumi.

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Contemporaries

Among people born in 1352, Siemowit IV, Duke of Masovia ranks 6. Before him are Vytautas, Rupert, King of Germany, Edigu, Vidyapati, and Viridis Visconti.  Among people deceased in 1426, Siemowit IV, Duke of Masovia ranks 3. Before him are Hubert van Eyck, and Pippo Spano.

Others Born in 1352

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Others Deceased in 1426

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