The OIC website explicitly says state of PALESTINE recognised  and gives its national day National Day   January  not  November  And this in addition to what it says in Palestinian National Covenant no books used that Following a  Draft Constitution the first version of the Charter was written by Ahmad Shukeiri the first chairman of the PLO using the slightly different name alMithaq alQawmi alFilastini meant to reflect its origins in Nassers PanArabism The first official English translation rendered alMithaq as covenant while later versions have tended to use charter The word changed in  in the Arabic name is translated as national in either English translation All the ingredients of a state a dictator a following ready to terrorize opponents a Charter that spells only a war of national liberation so popular in the s and a recognition by a group of states created same year To me this is the recognition you were talking about illegitimate or not However you clearly think that PALESTINE spells PLO and since there is this magic RR rule that in one swift swoop allows one editor to undo about  hours of research of another than I leave you to your own devices It seems to me that ironically the state of advancement towards peace in the real world is very much reflected by the goings on in Wikipedias subject area Its full of people so passionately devoted to Wikipedia that they are happy to proverbially shoot another editors brains out to prove their dedication to administrative policy over article quality