The bombing Attack occurred in the first days of the German-led Axis invasion Attack of Yugoslavia during World War II .

From late April 1916 , after a German-led Ottoman force Military_operation attacked Attack British yeomanry at Katia , British Empire forces in the region at first doubled from one brigade to two and then grew as rapidly as the developing infrastructure could support Supporting them .

Following the World War II German-led Axis invasion Attack of Yugoslavia in April 1941 , the Kingdom of Yugoslavia was partitioned Change_of_leadership .

The invasion Attack of Yugoslavia , also known as the April War or Operation 25 , was a German-led attack Attack on the Kingdom of Yugoslavia by the Axis powers which began Process_start on 6 April 1941 during World War II .

Along with Italy 's stalled invasion Attack of Greece on 28 October 1940 , and the German-led invasion Attack of Greece ( Operation `` Marita '' ) and invasion Attack of Crete ( Operation `` Merkur '' ) , the invasion Attack of Yugoslavia was part of the German Balkan Campaign ( ) .

In the aftermath , the Finns passed Motion_directional from Russian governance to the German sphere of influence with a plan Arranging to establish Creating a German-led Finnish monarchy .

Operation Military_operation Southeast Croatia ( ) was a large-scale German-led counter-insurgency operation Military_operation conducted Action in the southeastern parts of the Independent State of Croatia ( , NDH ) , ( modern-day Bosnia and Herzegovina ) during World War II .

It was the first of two German-led operations Military_operation targeting Aiming mainly Yugoslav Partisans in eastern Bosnia between 15 January and 4 February 1942 .

The coup led directly to the German-led Axis invasion Attack of Yugoslavia .