Why did Germany declare war on France?

Why did Germany declare war on France?

Germany realized that a war with Russia meant a war with France, and so its war plans called for an immediate attack on France through Belgium hoping for a quick victory before the slow-moving Russians could become a factor.

Did Germany really declare war on France?

On the afternoon of Aug, two days after declaring war on Russia, Germany declares war on France, moving ahead with a long-held strategy, conceived by the former chief of staff of the German ar...