"There are but 155 years left ... at which time ... the world will come to an end," wrote Christopher Columbus in his book Libro de Las Profecias, composed in 1502 between his 3rd and 4th voyages. Columbus continued: "... The sign which convinces me that our Lord is hastening the end of the world is the preaching of the Gospel recently in so many lands." Though his predictions were off, Columbus' writings revealed his motivation for setting sail on his first voyage AUGUST 3, 1492, with the Nina, Pinta and the Santa Maria. He sought to find a sea...