In 1933, she founded , a women's organization opposed to Fascism and war. On April 18, Soviet astronomer Grigory Neujmin discovered asteroid 1933 HA and named it "Dolores" after her. In November she travelled to Moscow as a delegate of the 13th Plenum of the Executive Committee of the Communist International (ECCI), which weighed the danger posed by Fascism and the threat of war. The sight of the Russian capital thrilled Ibárruri. "To me, who saw it through the eyes of the soul", she wrote in her autobiography, "it was the most wonderful city on earth. The construction of socialism was being managed from it. In it were taking shape the earthly dreams of freedom of generations of slaves, outcasts, serfs, proletarians. From it one could take in and perceive the march of humanity toward communism." She did not return to Spain until the new year.