Right in the third sentence of his inaugural address Pres. Obama says:
"Forty-four Americans have now taken the presidential oath."
Eh, not so much. Grover Cleveland swore himself in twice in nonconsecutive terms as number 22 and 24 Presidents of the United States.
In any case Obama made a decent speech, but I still think the best presidential speech I ever heard was this one:
Still brings tears to my eyes...