Question

When did the first major battles of World War 1 occur?

1. When the Ottoman Turks invaded Bulgaria and Serbia in a strategy to defeat Russia
2. When French troops attacked Germany in order to strike the first blows 
3. When Germany invaded Belgium in a strategy to quickly defeat France
4. When Germany attacked Russia and Austria-Hungary invaded France

Answer 1

The correct answer is 4) when Germany attacked Russia and Austria-Hungary invaded France.

The first major battles of World War 1 occurred when Germany attacked Russia and Austria-Hungary invaded France. We are talking about the Battle of Tannenberg of August 26-30, 1914, at the very beginning of World War 1. It was held in East Prussia, modern-day Poland. The German troops attacked and defeated the Russian Army. The second major battle was the Battle of the Marne from September 6 to 14, 1914, held at Marne River in the East of Paris, France.