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Jacob Kettler

1610 - 1682

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Jacob Kettler (German: Jakob von Kettler, Latvian: Hercogs Jēkabs Ketlers; 28 October 1610 – 1 January 1682) was a Baltic German Duke of the Duchy of Courland and Semigallia (1642–1682). Under his rule, Courland and Semigallia became more independent of its Polish suzerain, reached its peak in wealth, and even engaged in its own overseas colonization, making it one of the smallest, but fastest growing states in the world at that time. Yet, in the end the results of his rule failed in the confrontation with much stronger powers both directly in the Baltic (Sweden) and overseas (Dutch Republic). Read more on Wikipedia

Since 2007, the English Wikipedia page of Jacob Kettler has received more than 118,021 page views. His biography is available in 24 different languages on Wikipedia (up from 21 in 2019). Jacob Kettler is the 3,660th most popular politician (down from 3,441st in 2019), the 14th most popular biography from Latvia and the 3rd most popular Latvian Politician.

Jacob Kettler is most famous for being the founder of the Kettler Company.

Memorability Metrics

  • 120k

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  • 60.96

    Historical Popularity Index (HPI)

  • 24

    Languages Editions (L)

  • 7.76

    Effective Languages (L*)

  • 1.74

    Coefficient of Variation (CV)

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Among politicians, Jacob Kettler ranks 3,660 out of 15,577Before him are Jani Beg, Chlothar IV, Vladimir Voronin, Bachir Gemayel, Muyeol of Silla, and James II of Majorca. After him are Henry II, Duke of Austria, David Cameron, Ivan Serov, Emperor Ai of Han, Maria Anna of Spain, and Ōkuma Shigenobu.

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Among people born in 1610, Jacob Kettler ranks 5Before him are Pope Alexander VIII, Ferdinando II de' Medici, Grand Duke of Tuscany, Adriaen van Ostade, and Archduchess Maria Anna of Austria. After him are David Teniers the Younger, Ivan Sirko, Paul Scarron, Francesco I d'Este, Duke of Modena, Jan Asselijn, Li Yu, and Charles du Fresne, sieur du Cange. Among people deceased in 1682, Jacob Kettler ranks 8Before him are Claude Lorrain, Feodor III of Russia, 5th Dalai Lama, Evliya Çelebi, Jacob van Ruisdael, and Johann Joachim Becher. After him are Alessandro Stradella, Avvakum, Baldassare Longhena, Thomas Browne, Jean Picard, and Prince Rupert of the Rhine.

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In Latvia

Among people born in Latvia, Jacob Kettler ranks 14 out of 284Before him are Mikhail Baryshnikov (1948), Mariss Jansons (1943), Kārlis Ulmanis (1877), Vaira Vīķe-Freiberga (1937), Aron Nimzowitsch (1886), and Gidon Kremer (1947). After him are Egils Levits (1955), Ernst Gideon von Laudon (1717), Peter von Biron (1724), Vera Mukhina (1889), Ernst Johann von Biron (1690), and Mischa Maisky (1948).


Among politicians born in Latvia, Jacob Kettler ranks 3Before him are Kārlis Ulmanis (1877) and Vaira Vīķe-Freiberga (1937). After him are Egils Levits (1955), Ernst Gideon von Laudon (1717), Peter von Biron (1724), Ernst Johann von Biron (1690), Guntis Ulmanis (1939), Andris Bērziņš (1944), Pauline Therese of Württemberg (1800), Duke Alexander of Württemberg (1804), and Frederick William, Duke of Courland (1692).