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2 (of 15) Barack H. Obama shows his Nobel Peace Prize Medal and Diploma at the Award Ceremony in Oslo, Norway, 10 December 2009. To his left stands Thorbjørn Jagland, Chairman of the Norwegian Nobel Committee.

© Nobel Media AB 2009. Produced by NRK

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3 (of 15) Barack H. Obama delivering his Nobel Lecture in the Oslo City Hall, 10 December 2009.

© The Norwegian Nobel Institute 2009. Photo: Ken Opprann

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4 (of 15) Barack H. Obama delivering his Nobel Lecture in the Oslo City Hall, 10 December 2009.

Copyright © Nobel Media AB 2009 Produced by NRK

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5 (of 15) Barack H. Obama and Michelle Obama arrive at the Nobel Peace Prize Award Ceremony in the Oslo City Hall on 10 December 2009.

© The Norwegian Nobel Institute 2009. Photo: Ken Opprann

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6 (of 15) Michelle and Barack H. Obama arrive at the Norwegian Nobel Institute and are greeted by Geir Lundestad, Secretary of the Norwegian Nobel Committee (left) and Thorbjørn Jagland, Chairman of the Norwegian Nobel Committee (second from left).

© The Norwegian Nobel Institute 2009. Photo: Ken Opprann

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7 (of 15) Barack H. Obama signs the guest book at the Norwegian Nobel Institute. Behind him stands (from left): Kaci Kullmann Five, Deputy Chairman of the Norwegian Nobel Committee, Geir Lundestad, Director of the Nobel Institute, Thorbjørn Jagland, Chairman of the Norwegian Nobel Committee, and Michelle Obama.

© The Norwegian Nobel Institute 2009. Photo: Ken Opprann

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8 (of 15) Barack H. Obama and Michelle Obama viewing the traditional torch light procession in Oslo from their balcony at the Grand Hotel, 10 December 2009.

© The Norwegian Nobel Institute 2009. Photo: Ken Opprann

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9 (of 15) 2009 Nobel Peace Prize Banquet. From left: U.S. Ambassador to Norway Barry B. White, Michelle Obama, King Harald V of Norway, Nobel Peace Prize Laureate Barack H. Obama, and Thorbjørn Jagland, Chairman of the Norwegian Nobel Committee.

© The Norwegian Nobel Institute 2009. Photo: Ken Opprann

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10 (of 15) Barack H. Obama proposes a toast to Alfred Nobel at the Nobel Peace Prize Banquet at the Grand Hôtel in Oslo, Norway, 10 December 2009.

© The Norwegian Nobel Institute 2009. Photo: Ken Opprann

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11 (of 15) Barack H. Obama and Michelle Obama dance during the 2009 Nobel Banquet in the Hall of Mirrors at the Grand Hôtel in Oslo, Norway.

© The Norwegian Nobel Institute 2009. Photo: Ken Opprann

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12 (of 15) During his visit to Stockholm in September 2013, President and Peace Prize Laureate Barack Obama met with representatives of the Nobel Foundation and followed the tradition of autographing a chair for the Nobel Museum.

Copyright © Nobel Media 2013. Photo: N. Elmehed

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13 (of 15) Barack Obama with his wife Michelle.

Photo: Luke Vargas. Licensed by Attribution Share Alike 2.0

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14 (of 15) President Barack Obama on the phone in the office of the President's private residence in the White House, 17 September 2009.

Official White House photo by Pete Souza

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15 (of 15) Barack Obama meets with Mexican President Felipe Calderón on 12 January 2009.

Photo: Obama-Biden Transition Project. Licensed by Attribution Share Alike 2.0