November 9^th, was declared the National Voluntary Blood Donor Day in Argentina, in commemoration of Dr. Luis Agote, who practiced for the first time, in the year 1914, the technique of blood transfusion. According to the law 25,936, which expresses that it is important to create awareness in the population to include this practice as a regular, voluntary, solidary and anonymous act, destined for the benefit of those who need it.