Hmmm .. the 12th imam and the white horse prophecy ... seems all groups have predictions tied to their religion.
Biblical
http://en.wikipedia.org/wiki/Bible_prophecy
Native American:
http://www.maar.us/lakota_sioux.html
Hindu
http://bci.org/prophecy-fulfilled/hindutim.htm
Buddhist
http://www.bci.org/prophecy-fulfilled/buddhasa.htm
Sikh
http://www.sikhsangat.com/index.php?/topic/393-sikh-prophecy/
Seventh Day Adventist
http://en.wikipedia.org/wiki/Prophecy_in_the_Seventh-day_Adventist_Church
How ELSE would the Anti-Christ be able to seduce the world?