gracias KelleyD,
but you are not the first muslim to give me a youtube homework assignment or egregiously long website rant about 'hidden history.'
i've not heard anything new (and therefore nothing convincing) concerning 'mithra' or the separate religion centered around sol invictus. when you look into the actual history of both religions (imperial cult in the case of SI) you do not see any significant connections... this is as simple as a searching for their respective wikipedia entries.
there is a good deal of misinformation and false history both about Christianity and about these two religions, it seems to mostly come from islamic and other anti Christian sources. on their face i do not consider islamic opinions regarding christianity or christian history valid... they're not genuine intellectual inquests but rather deceptions to convince me of the validity of islam, by attempting to establish invalidity of christianity.
usually they center on elaborate yet formulaic conspiracy theories with evil plots by St. Paul, Constantine, 'the pagans' or 'the Jews' attempting to inject 'paganism' into Christianity... which on it's face it just seems ridiculous, but when i read the quran it made a lot more sense...
the book is filled with constant warnings and manic fears about polytheists... i suppose with such a view of the world it is easy to believe polytheists are secretly responsible for everything from mesothelioma to world wars.
but regardless of why there is this preoccupation with injecting grand conspiracies into Christian history (since i don't really care why), it does greatly diminish the value i attach to muslims' opinions of christianity or christian history. generally when they want to talk about Christianity i groan and try to find something else to discuss...
it is a bit like the man on the bus who wears the tinfoil hat and insists with great tenacity that the government attempts to read his brainwaves, and with equal tenacity insists that you must listen to everything he tells you about this during the entire length of your bus trip.
que Dios te bendiga