Watch The Inauguration of Barack Obama: A Moment in History. On January 20th, 2009, millions witnessed the inauguration of Barack Obama as the 44th President of The United States. Now relive one of the most extraordinary events in American history as ABC News presents highlights of the entire day s coverage anchored by Charles Gibson, Diane Sawyer and George Stephanopoulos from the Newseum above Pennsylvania Avenue and reported by the network s team of correspondents throughout Washington DC.

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