Irena Sendler

1910 - 2008

Irena Sendler

Irena Stanisława Sendler (née Krzyżanowska), also referred to as Irena Sendlerowa in Poland, nom de guerre Jolanta (15 February 1910 – 12 May 2008), was a Polish humanitarian, social worker, and nurse who served in the Polish Underground Resistance during World War II in German-occupied Warsaw. From October 1943 she was head of the children's section of Żegota, the Polish Council to Aid Jews (Polish: Rada Pomocy Żydom).In the 1930s, Sendler conducted her social work as one of the activists connected to the Free Polish University. From 1935 to October 1943, she worked for the Department of Social Welfare and Public Health of the City of Warsaw. Read more on Wikipedia

Since 2007, the English Wikipedia page of Irena Sendler has received more than 2,051,926 page views. Her biography is available in 56 different languages on Wikipedia making her the 22nd most popular social activist.

Memorability Metrics

  • 2.1M

    Page Views (PV)

  • 71.77

    Historical Popularity Index (HPI)

  • 56

    Languages Editions (L)

  • 8.80

    Effective Languages (L*)

  • 3.14

    Coefficient of Variation (CV)

Page views of Irena Sendlers by language


Among social activists, Irena Sendler ranks 22 out of 426Before her are Lady Godiva, Aung San Suu Kyi, Gustav I of Sweden, Charlotte Corday, Robert Owen, and Thomas Müntzer. After her are Olympe de Gouges, Emiliano Zapata, Bertha von Suttner, Ferdinand Lassalle, Simon Wiesenthal, and Eleanor Roosevelt.

Most Popular Social Activists in Wikipedia

Go to all Rankings


Among people born in 1910, Irena Sendler ranks 5Before her are Mother Teresa, Akira Kurosawa, Jacques Cousteau, and Giuseppe Meazza. After her are Gloria Stuart, Django Reinhardt, Robert K. Merton, Ingrid of Sweden, Jean Genet, Konrad Zuse, and Ronald Coase. Among people deceased in 2008, Irena Sendler ranks 8Before her are Aleksandr Solzhenitsyn, Edmund Hillary, Paul Newman, Bobby Fischer, Arthur C. Clarke, and Albert Hofmann. After her are Charlton Heston, Suharto, Samuel P. Huntington, Chinghiz Aitmatov, Hua Guofeng, and Jørn Utzon.

Others Born in 1910

Go to all Rankings

Others Deceased in 2008

Go to all Rankings

In Poland

Among people born in Poland, Irena Sendler ranks 25 out of 930Before her are Carl Wilhelm Scheele (1742), Erich Ludendorff (1865), Zygmunt Bauman (1925), Fedor von Bock (1880), Stanisław Lem (1921), and Władysław Szpilman (1911). After her are Adam Mickiewicz (1798), Manfred von Richthofen (1892), Max Born (1882), Władysław IV Vasa (1595), Günther von Kluge (1882), and Eric of Pomerania (1381).


Among social activists born in Poland, Irena Sendler ranks 2Before her are Rosa Luxemburg (1871). After her are Ferdinand Lassalle (1825), Mordechai Anielewicz (1919), Leopold Trepper (1904), Jan Karski (1914), Jan Gotlib Bloch (1836), and Ryszard Siwiec (1909).

Social Activists Born in Poland

Go to all Rankings