The late senator, Daniel Patrick Moynihan, is often credited with the statement, "Everyone is entitled to his own opinion, but not his own facts."
The universally accepted definition of a fact is something known to exist or to have happened, in other words, something that can be proven to be true.
For those who find facts (as in trivia) fun, there's a recently unveiled site to check out, FACTSlides. You can watch a slide show of random facts, or along the bottom you can click on various categories of facts such as "fruits" or "phobias." Since the site is new, it may take a few months to fill up the categories, so check back often.
For kids interested in facts, there's a cute picture book called Bugs by the Numbers: Facts and Figures for Multiple Types of Bugbeasties by Sharon Werner [JP WER] that could keep them busy by the hour. And, look for the old standby Guinness World Records [J 031 GUI]. We have the 2014 edition hot off the press!