Why is the Seven Years War not considered a world war?
Why isn't the Seven Years' War considered the first World War?
When did the first world war happen? What started the first world war? Has the third world war started? What were the causes of the First World War? What was the immediate cause of the First World War? Who started the world war first? When did World War One start? How does a world war start? Why has there not been a big war in a long time? How, why and when did World War 1 start? What year did World War I start? How and why did the world war 1 start? Has there ever been a period in history in which war didn't exist? What is a reason for world war? Why did world war happen? Why was World War 1 fought? What brought the Second World War? What's the longest war that has ever been fought in the history of the world? Which event was crueler, the First World War or the Second World War? How is the First World War remembered in Austria? What are the reasons for World War 1? In summary, what events caused the start of the First and Second World Wars? Should there be a Third World War? What is the real reason for World War One? How has the nature of war changed in the last 50 years? What is the main reason for war? In which year of the First World War did Germany declare war on Russia and France? How did World War Two start? Why did World War 1 started? What were the effects? What started World War II?