Michael Snyder has some very interesting books explaining his theory of Revelations and connecting it to current events. I highly recommend his book 7 Year Apocalypse. This is just an interesting coincidence he is pointing out in this article.

http://themostimportantnews.com/archives/is-it-just-a-coincidence-that-the-four-horsemen-of-the-apocalypse-are-the-same-colors-as-the-palestinian-flag