USA HISTORY

Detailed explanation-1: -Barack H. Obama delivered his Nobel Lecture on 10 December 2009 at the Oslo City Hall, Norway. He was introduced by Thorbjørn Jagland, Chairman of the Norwegian Nobel Committee.

Detailed explanation-2: -Prize announcement Announcement of the 2009 Nobel Peace Prize to Barack H. Obama, presented by Thorbjørn Jagland, Chairman of the Norwegian Nobel Committee, on 9 October 2009.

Detailed explanation-3: -The 2009 Nobel Peace Prize was awarded to United States President Barack Obama (b. 1961) for his “extraordinary efforts to strengthen international diplomacy and cooperation between peoples".

Detailed explanation-4: -The Nobel Assembly at Karolinska Institutet has awarded the Nobel Prize in Physiology or Medicine 2009 jointly to Elizabeth Blackburn, Carol Greider and Jack Szostak for the discovery of how chromosomes are protected by telomeres and the enzyme telomerase.

Detailed explanation-5: -On Oct. 9, 2009, President Barack Obama won the Nobel Peace Prize for what the Norwegian Nobel Committee called “his extraordinary efforts to strengthen international diplomacy and cooperation between peoples.”