Which country made the first declaration of war

Which early battle marked the first major German deafeat

On what date did United States declare war on Germany

Who was the commander of US forces in Europe

Which country was the first of the Central powers to surrender

Which of these nations was neutral in world war 1

Who was the President of United States during the world war 1

On which continent was world war 1 mostly fought

When did United States enter world war 1