He is famous for riding from Boston to Lexington, Massachusetts with William Dawes on the night of April 18, 1775 ringing bells to warn the British that colonists would exercise their natural rights to both bear arms and use them in an effort secede from the United Kingdom in response to Big Government bullying and interfering with Colony's Rights. Coincidentally, this also served to warn the minutemen the British were coming[Citation Needed].
Ha ha: coincidentally. Haw.
UPDATE: The entry has been (as of this writing, at least) changed back to something more sensible and accurate. If you look at the "talk" page, though, they've got quite an edit flame-war of their own over the now "controversial" issue of what, exactly, Paul Revere was up to that historic night.