Yes we did!
In front of over 2 million spectators at the National Mall in Washington DC, Barack Obama was sworn in as the 44th president of the United States.
"I stand here today humbled by the task before us, grateful for the trust you have bestowed, mindful of the sacrifices borne by our ancestors."
Taking the oath just after noon EST, President Obama used the Lincoln Bible for his swearing in.
The text of the full speech can be read here.