 Complete the following phrase:  On 27 January 1919, Austrian Germans gathered to await the United States peace delegation at the citys marketplace were fired upon by Slovenian troops. Nine citizens were killed and some eighteen were seriously wounded; who had actually ordered the shooting has never been unequivocally established. German sources accused Maisters troops of shooting without cause. In turn Slovene witnesses such as Maks Pohar claimed that the Austrian Germans attacked the Slovenian soldiers guarding the town hall, one even discharging a revolver and hitting one Slovenian soldier in the bayonet. The German-language media called the incident Marburgs Bloody Sunday. As Maribor was now firmly in the hands of the Slovenian forces and surrounded completely by Slovenian territory; the city had been recognised as part of the Kingdom of Serbs, Croats and Slovenes without a plebiscite in the Treaty of Saint-Germain of 10 September 1919 between the victors and German Austria. For his actions in Maribor and later in the 