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 russia2. when french troops attacked germany in order to strike the first blows  3. when germany invaded belgium in a strategy to quickly defeat france4. when germany attacked russia and austria-hungary invaded france

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.

this forms a narrow, steep sided inlet (sometimes deeper than 1300 metres) connected to the sea. the terminal moraine pushed down the valley by the glacier is left underwater at the fjord’s entrance, causing the water at the neck of the fjord to be shallower than the main body of the fjord behind it.