Barack Obama become US 1st Black President

President-elect Barack Obama, left, his wife Michelle Obama, right, and two daughters, Malia, 7, and Sasha, 10, wave at the election night rally in Chicago

President-elect Barack Obama, left, and Vice president-elect Joe Biden wave to supporters during their election night party at Grant Park in Chicago

Barack Obama was elected the nation's first black president Tuesday night in a historic triumph that overcame racial barriers as old as America itself.

The son of a black father from Kenya and a white mother from Kansas, the Democratic senator from Illinois sealed his victory by defeating Republican Sen. John McCain in a string of wins in hard-fought battleground states - Ohio, Florida, Virginia and Iowa.

After the winning of Barack Obama, a huge crowd in Grant Park in Chicago erupted in jubilation at the news of Obama's victory. Some wept.

However, Obama and his running mate, Sen. Joseph Biden of Delaware, will take their oaths of office as president and vice president on Jan. 20, 2009.

However, congratulation to Obama for the victory and historicaly become the first black president in U.S.