Havana, Cuba. – May Day, the International Labor Day, is commemorated in every corner of the world, as a tribute to the Martyrs of Chicago. Those US workers were sentenced to the gallows in 1886 because they went on a peaceful strike to demand a fair working day of 8 hours. Italiano Pietro Gori, abogado, poeta y anarquista, que compuso el Himno para apoyar su obra teatral Primero de Mayo Three years...