After the collapse of the Austrian - Hungarian Empire in 1918 , Maribor was claimed by both the State of Slovenes , Croats and Serbs and German Austria .
This led to distrust between Austrian Germans and Slovenes .
After the collapse of the Austrian - Hungarian Empire in 1918 , Maribor was claimed by both the State of Slovenes , Croats and Serbs and Germans Austrian .
This led to distrust between Austrian Germans and Slovenes .