Buenaventura Durruti (1896-1936) is one of the key figures of the Spanish Revolution of 1936, and Spain is the only country in Europe in which anarchists managed to create an influential mass organization on a national scale. The Federation of Anarchists of Iberia (FAI, FAI), which operated in conjunction with the trade union National Confederation of Labor (CNT, CNT), enjoyed tremendous support from the exploited classes and had a serious political influence on the situation in the country. Buenaventura Durruti was already a popular "politician "-anarchist during his lifetime and had a reputation as an uncompromising revolutionary, thanks to his determination, sincerity and disinterestedness.