The Catholic Kings, Ferdinand (Fernando) and Isabella (Isabel), saw the confluence of several Iberian kingdoms under the same hands in the late 15th century, the modernization of state administration under the Catholic kings, and the year 1492 with three landmark events. Which of the following is NOT one of these events?
a) The conquest of Granada
b) The voyage of Christopher Columbus
c) The publication of "Don Quixote"
d) The expulsion of Jews from Spain