What countries had to evacuate in world war 2?

During World War II, several countries had to evacuate significant portions of their population due to the threat of invasion or bombings. Some of the countries that experienced evacuations include:

1. United Kingdom: The British government implemented a large-scale evacuation plan known as Operation Pied Piper in response to the German air raids, commonly referred to as The Blitz. Millions of people, primarily women, children, and the elderly, were evacuated from major cities like London to safer rural areas.

2. France: Following the German invasion and the rapid advance of Nazi forces in 1940, the French government organized a mass evacuation of civilians from war zones. Cities in northern France and along the coast were particularly affected, with many residents fleeing to safer regions in the south.

3. Belgium: As German troops invaded Belgium in May 1940, the Belgian government urged citizens to evacuate to Western France. However, the rapid German advance made this evacuation difficult, leading to a significant number of refugees.

4. Netherlands: During the German invasion in May 1940, the Netherlands faced mass evacuations of civilians from areas near the advancing German forces. The Dutch government advised citizens to move inland or towards neutral countries like Belgium.

5. Poland: With the German invasion of Poland in September 1939, significant parts of the population had to flee or were forcibly deported. Many Polish citizens evacuated eastward towards the border with the Soviet Union, while some also sought refuge in neighboring countries.

6. Luxembourg: As German forces invaded Luxembourg in May 1940, the government advised civilians to evacuate to neighboring France. However, many were caught in the rapid advance of German troops and could not escape to safety.

These countries experienced evacuations as a result of heavy bombardment, imminent threats of invasion, or forced displacements carried out by occupying forces during the war.