Here's a link to a list of things that Snopes listed as "false" -- of course, Snopes could always be a libr'l mole:
http://www.snopes.com/politics/obama/obama.asp My personal favorite on the list was "
Scholars at the Smithsonian Institution have uncovered new interpretations of Nostradamus that relate to Barack Obama."
Runner-up:
"
Prophecy that a black man will inhabit the White House 'when pigs fly' ties Obama presidency to swine flu. "