Assyrian and Arab Christians come to Islam:
http://thefactsaboutislam.blogspot.co.uk/2010/08/assyrians-and-arab-christians-please.html

Christians having dreams and becoming Muslims:
http://thefactsaboutislam.blogspot.co.uk/2014/03/christians-are-having-dreams-and.html

That night the angel of the LORD went out and put to death a hundred and eighty-five thousand in the Assyrian camp. When the people got up the next morning--there were all the dead bodies! NIV Bible