Today, pundits are arguing whether changes so far have been helpful or harmful, but there is no doubt as Mr. Obama's First 100 Days come to a close ... they have been busy.
The list of policy initiatives is long ... from the stimulus package to lifting the ban on federal funding for embryonic stem cell research.
The statements have been bold: ordering Guantanamo closed, offering to talk with Iran and extending a handshake to Venezuela's Hugo Chavez.
But President Obama inherited some historic challenges: a faltering economy and wars in Iraq and Afghanistan. Each is a crisis that will take far more than 100 days to solve.
With an approval rating at 68 percent, he seems to have passed his first test with the American people. He will face many more tests during the next 100 days ... and many more after that.