Svetozar Delić (31 August 1885 – 25 October 1967) was a Croatian politician and revolutionary who briefly served as the first communist mayor of Zagreb, Croatia.^[1][2] Although he is known for his work in the early Yugoslav communist organization "Napred," Delić is mostly recognized for being the mayor with the shortest term in the history of Zagreb. His term lasted only three days before Delić was fired and another three days before he was expelled from city hall.^[2]

Svetozar Delić was born in Petrinja (then part of Austro-Hungary) to Tomo and Franciska Delić née Hula. He attended a realschule in Zagreb and graduated in 1905. He was not accepted to the University of Vienna so he became a clerk at the Zagreb County Workers' Insurance Fund. This job motivated him to become a communist as he noticed the social stratification in favor of the wealthy.^[2]

Delić was married on 11 May 1913 to Paulina Wallner, an Evangelical Catholic from Austria. He had two children, one of whom, Dr. Svetozar Delić, fought in World War II for the Yugoslav Partisans.^[2]

Upon becoming a resident of Zagreb in 1910, Delić, together with Josip Cimermančić, became involved in the work of the recently formed communist organization, "Napred," becoming one of its first 50 members.^[2] During this time, the organization started to flourish and became more involved in Zagreb politics, increasing the number of its members 18-fold and its financial capital by almost 200 times between 1914 and 1919. This advance is astonishing, because it occurred during World War I in an area heavily influenced by famine, bombardment, and other war-time problems.^[3] Delić rose to a high-ranking position in the organization, becoming heavily involved in its marketing in the Zagreb newspapers Novosti [hr] and Sloboda to attract new members.^[4] He also took loans to increase the stability and capital of the organization.^[2] Contrary to the trend toward recession then present in the aftermath of the war, organization "Napred" had bought over 36 million krones worth of various products.^[3]

On 21 March 1920, city council elections were held. The emerging Socialist Workers' Party of Yugoslavia (communists), SRPJ(k) (renamed the very next year to become the Communist Party of Yugoslavia), attracted votes all over Croatia and the rest of Yugoslavia. In Zagreb the party received 7,011 out of 17,852 votes cast. Although the voters constituted less than a sixth of Zagreb's population, SRPJ(k) won 20 seats in the city council and was entitled to elect the city mayor. A large crowd of more than 50,000 people from Zagreb and its surroundings gathered on the Ban Jelačić Square and Saint Mark's Square to find out the result of the elections and later celebrate the win of SRPJ(k).^[5]

The next day, Svetozar Delić was chosen as president of the SRPJ(k) delegates in the city council. Two weeks later, in early April, Delić gave a speech directed against the opponents of communism, accusing them of restricting the freedoms of the general population. The mayoral elections were conducted on 16 April 1920 by the two-round voting system. Svetozar Delić and Stjepan Srkulj, the mayor whose term just ended, each failed to get more than 50%, but managed to get into the second round. The second round was won by Delić with 27 votes against Srkulj's 14.^[6]

The ruling Serbian Karađorđević dynasty perceived rising communism and the elections of numerous communist mayors such as Delić all over the country as a threat to the monarchy and ordered measures to be taken to prevent them from gaining influence in politics. The following day, on 17 April, the ban Matko Laginja barred all public and city hall meetings according to an old 1875 law. At 9 a.m. on 18 April, Delić received a phone call from the ban's advisor Dragutin Tončić, relieving him of his duty and disbanding the city council. Delić requested a written notification in an attempt to make his term longer, although his fate was already sealed. Later that day the Regional Government sent Delić a written notice of Tončić's takeover. Delić refused to cooperate.^[7][8]

• Ban of the Communist party of Yugoslavia