<human>:  Did Columbus obtain his funding from the rulers of the Portugese Empire?
<bot>: No, Columbus obtained his funding from the rulers of Spain. King Ferdinand and Queen Isabella funded Columbus' voyage to the New World. King Ferdinand of Argon and Queen Isabella of Castille were the joint rulers of kingdoms of the Iberian Peninsula, which included modern-day Spain but excludes Portugal. King John II of Portugal rejected Columbus' request for funding. So Columbus obtained his funding from the rulers of Spain.