Question

In which year of the first world war did germany declare war on russia and france?

Answer 1

Germany declared war on Russia on the 1st of August 1914.
And war was declared in France on the 3rd of August 1914.

Answer 2

August 1, 1914 - Germany declares war on Russia. France and Belgium begin full mobilization. August 3, 1914 - Germany declares war on France, and invades neutral Belgium. Britain then sends an ultimatum, rejected by the Germans, to withdraw from Belgium.

Hope this helps.