Of the following World War 1 related events, which happened last?

Question

Of the following World War 1 related events, which happened last?
	German declaration of war on France.
	Germany pledging its support for Austria-Hungary.
	Russia pledging its support for Serbia.
	German invasion of Belgium.

GPT 3.5 · Answer

The events in chronological order are:

1. Germany pledged its support for Austria-Hungary.
2. Russia pledged its support for Serbia.
3. German invasion of Belgium.
4. German declaration of war on France.

Therefore, the German declaration of war on France happened last.