In the Italian Union of Rijeka (Circolo) on 18 June 2019, invited by the Free State of Fiume society, Željko Heimer held a preview of the presentation on the development of the ijeka flags – on two centuries of controversies and struggle of the citizens for its flag, prepared as a paper for the 28th International Congress of Vexillolgy to be held on 15-20 July 2019 in San Antonio, Texas, USA.
In the full lecture hall of the Circolo, with kind attendance by the Rijeka mayor Vojko Obersnel, and after the introduction by Danko Švorinić, president of the Free Satet of Fiume soceity, Željk Heimer presented the history of city flag, from the oldest mentions of flags in Rijeka in 16th century and erection of the city standard, to establishment of the first known city flag after the Napoleonic wars, though a series of flags of national tricolour background with the coat of arms granted by Emperor Leopold I in 1659 to the final adoption of the proper city colors based on that arms. The story followed on constant opposition to that flag, attemps to modify it, ban or delivering it to oblivion by all governments, Hungarian, Italian, Yugolsav to the recent negation of this flag by the actual Croatian authorities.
Except the city flag proper, Heimer presented to the audiance many other flags that may just as well be called flags of Rijeka, that were or are used on streets and ports of the City on the River: state, administrative, sports, maritime, academic and others.