One of the main features of Colombian Republic is the scarce immigration flow along its history. During the 30’s (the decade of Fascist and National Socialist regimes appearance in Italy and Germany respectively), a shy immigration of European Jewish ancestry people began towards Colombia. Official opposition to this movement, as well as the scarce people acceptance to it, are profusely treated in this article, in which I intend to clarify questions about the great difficulties of this contingency, so helpful for Colombia’s development.