some of his comrades. On 4 December 1919, Young Communist League of Yugoslavia (SKOJ) was established in Sarajevo; Gorkić was elected to its leadership. In 1921, after First Congress of SKOJ, it was decided that SKOJ will be separated on two branches, apprentices' and students' branch. Gorkić was named secretary of students' branch. In one newspaper article from 14 October. Gorkić used his pseudonym for the very first time. On 28 November 1920, he held a motivational speech in Derventa for members of the Communist Party of Yugoslavia (KPJ) and called them to vote for leaders of the KPJ. In December 1920, Gorkić held teachings in Workers' Home in Sarajevo, and soon become one of the most active communists. On the night of 29/30 December, King Alexander of Yugoslavia proclaimed Obznana, a proclamation in which he forbade further activity of the KPJ. Thousands of communists were arrested and their organisations broken. After proclamation of Obznana, KPJ and SKOJ were scattered. Gorkić played a key role in reorganisation of the KPJ and SKOJ. He became Secretary of the Regional Committee of the SKOJ. In a report to KPJ's congress held in Vienna in 1922, Gorkić stated that before Obznana, regional SKOJ had 300 members, and after Obznana regional SKOJ did not have a single member, they only maintained contacts. He and his associates established an illegal organization as a core for future organizing. Soon, they had been provided with a hectograph to multiply propaganda leaflets. Gorkić was assigned to work with the leaflets. Before that, in 1921, he wrote to his illegal organisation in Derventa and this letter was found by the police. In the letter, Gorkić wrote in detail about organisation's activity and meeting place that was supposed to be held in Belgrade. However, the meeting never took place, because a communist, Spasoje Stević, made a failed assassination attempt on King Alexander, who was at the time, a regent. In July 1921 Gorkić visited Belgrade with his friend, Maks Schwarz, but, after they returned to Brod, both of them were arrested on 29 July. Gorkić stated to the police that he did not go to Belgrade because of the conference, but for education. Gorkić's activity was observed by the police for a longer period. Gorkić was heard by police on 2 August and spent six months in prison, when he was bailed out by the party along with other imprisoned