Question: FOR HOW LONG DID NOBEL PEACE PRIZE WINNER, INVOLVED IN UNEF ESTABLISHMENT, PRIME MINISTER OF CANADA?

<P0-S0>  He was the 14th Prime Minister of Canada from 22 April 1963 to 20 April 1968, as the head of two back-to-back Liberal minority governments following elections in 1963 and 1965. <P0-S1> Lester Bowles "Mike" Pearson (23 April 1897 – 27 December 1972) was a Canadian scholar, statesman, soldier and diplomat, who won the Nobel Peace Prize in 1957 for organizing the United Nations Emergency Force to resolve the Suez Canal Crisis. <SEP> <P1-S0> Dawn Engle is the co-founder and executive director of the non-profit organization, the PeaceJam Foundation. <P1-S1>  The PeaceJam program was launched in February 1996 by co-founders Dawn Engle and Ivan Suvanjieff to provide the Nobel Peace Prize Laureates with a programmatic vehicle to use in working together to teach youth the art of peace. <P1-S2>  To date, 14 Nobel Peace Laureates, including the Dalai Lama, Archbishop Desmond Tutu, Rigoberta Menchú Tum, President Oscar Arias, Adolfo Pérez Esquivel, Mairead Corrigan Maguire, Betty Williams, President José Ramos-Horta, Tawakkol Karman, Sir Joseph Rotblat (Emeritus), Leymah Gbowee, Jody Williams, Kailash Satyarthi, and Shirin Ebadi, serve as members of the PeaceJam Foundation. <P1-S3>  To date, over one million young people from 39 countries around the world have participated in the year long, award-winning PeaceJam curricular program. <P1-S4>  Engle and her husband Ivan Suvanjieff have been nominated for the Nobel Peace Prize fifteen times, and they were leading contenders for the 2015 Nobel Peace Prize. <P1-S5>  Engle is the co-director of multiple documentaries, including "PEACEJAM," and co-author of the book, "PeaceJam: A Billion Simple Acts of Peace" that was published by Penguin in 2008. <P1-S6>  She has also directed the award-winning documentary films, "Children of the Light," "", "Daughter of the Maya", and "Without A Shot Fired" which are the first four films in PeaceJam's Nobel Legacy Film Series. <SEP> <P2-S0> The Pearson Medal of Peace is an award given out annually by the United Nations Association in Canada to recognize an individual Canadian's "contribution to international service". <P2-S1>  Nominations are made by any Canadian for any Canadian, excluding self-nominations. <P2-S2>  The medal was first announced in 1979 and named in honour of Lester B. Pearson, Nobel Peace Prize winner and Canada's fourteenth Prime Minister. <P2-S3>  The medal was to be selected by a jury of "eminent Canadians" and awarded by the Governor-General of Canada on United Nations Day, October 24. <P2-S4>  After the 2004 medal was awarded to Roméo Dallaire, it was not awarded again until it was revived in 2011 to honour peace activist Ernie Regehr. <SEP> <P3-S0> The first United Nations Emergency Force (UNEF) was established by United Nations General Assembly to secure an end to the Suez Crisis with resolution 1001 (ES-I) on November 7, 1956. <P3-S1>  The General Assembly had approved a plan submitted by the Secretary-General which envisaged the deployment of UNEF on both sides of the armistice line. <P3-S2>  The force was developed in large measure as a result of efforts by UN Secretary-General Dag Hammarskjöld and a Nobel Peace Prize-winning (1957) proposal and effort from Canadian Minister of External Affairs Lester B. Pearson.