On Sunday, June 7, the Croatian Royal Council in Zagreb marked the Croatian Flag Day (June 5, 1848) and Croatian Statehood Day (Branimir's Day, June 7, 879) with the Open Doors Day of the Croatian Royal Council. On this occasion, an exhibition of flags from the 19th century and a presentation of literature related to heraldry and vexillology as well as early medieval history were prepared, thus presenting the work of the Croatian Royal Council association to the public.