Loose Christian movement says End of Days will occur in May

Exley is part of a movement of Christians loosely organized by radio broadcasts and websites, independent of churches and convinced by their reading of the Bible that the end of the world will begin May 21, 2011.

To get the word out, they're using billboards and bus stop benches, traveling caravans of RVs and volunteers passing out pamphlets on street corners. Cities from Bridgeport, Conn., to Little Rock, Ark., now have billboards with the ominous message, and mission groups are traveling through Latin America and Africa to spread the news outside the U.S.
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But few churches are willing to set a date for the end of the world, heeding Jesus' words in the gospels of Mark and Matthew that no one can know the day or hour it will happen. Predictions like Camping's, though, aren't new. One of the most famous in history was by the Baptist leader William Miller, who predicted the end for Oct. 22, 1844, which came to be known as the Great Disappointment among his followers, some of whom subsequently founded the Seventh Day Adventist church.