There are three very solid WPMEDRSacceptable references that say exactly that  Wikipedias standard for The Truth is the existence of solid references backing up any particular statement  So as far as this encyclopedia is concerned it is a fact There comes a point where we cannot hedge every statement with doubt and uncertainty  at some point a statement reaches the Wikipedia standard  and we must state it clearly and unambiguously  While there are a great number of people who doubt what this sentence says there are also a great number of people who doubt that men landed on the moon or that the holocaust really happened  But we simply cannot write for that tiny minoritythis is a factand we must state it with as much authority as we do the moon landing