In 1867, two Serbian criminals were shot by Turkish police on the Austrian Danub steamer. The Serbian imperialist government used this incident as an excuse to try and declare war against Turkey.
Saxed:

Cited:
“For some time now, Serbia has been striving not only for complete independence from Turkey but also for territorial expansion. It is one of the incomprehensible aspects of diplomacy that even governments like France and Austria, which upheld Turkey’s integrity and ceded some other strongholds it had occupied, have done so.
This mistake could have serious repercussions, particularly for Austria, because Russia stands behind Serbia. A telegram also reports that Serbian armaments are taking on a serious character and that there is feverish activity in the War Ministry in Belgrade. Specifically, the equipping of the artillery is being accelerated to an extraordinary degree, and offers from foreign artillery officers to enter Serbian service are being accepted.
The incident on an Austrian Danube steamer, in which two Serbian robbers were shot dead by the Turkish police during their arrest, is being cited as a pretext for the conflict. Hopefully, Austria will quickly put a stop to Serbia’s activities if they become too expansive. Because if it allows this to continue, the fire of the oriental. The question arises there that it could erupt, while it could easily be stifled by vigorous action; nevertheless, they want to penetrate the latter. Belgrade”.
Souce
Pfälzer Zeitung, 1867. 7-12.
