Peter was forced to leave the country following the Axis invasion.

Immediately after the Axis invasion, Finland officially declared itself neutral in relation to the conflict.

After the Axis invasion of Yugoslavia in April 1941, the magazine closed down.

Following the Axis invasion of Yugoslavia in 1941, he was working on preparations for an armed uprising against the occupation forces and their collaborators.

The Chetniks organized soon after the Axis invasion and received recognition from the western Allies.

It was disbanded after the Axis invasion in April 1941.

Yugoslavia capitulated eleven days after the Axis invasion.

The coup resulted in the German-led Axis invasion of Yugoslavia.

The Axis invasion of Yugoslavia began on 6 April.

In 1941, with the Axis invasion of Yugoslavia, the situation became even worse.