http://www.rt.com/news/jewish-roots-colorado-indians-645/ 

Geneticists find Jewish roots in Colorado Indians

http://www.huffingtonpost.com/2012/05/22/christopher-columbus-jewish_n_1534928.html?ncid=webmail1

Christopher Columbus' Jewish Roots Examined By Historians

Columbus might well have been a Messianic Jew: a Jew who believed Jesus Christ was his Messiah.