When did World War One start?
What year did World War I start?
What started World War II? Who started World War I and World War II? How did World War Two start? What started World War 2? Who started World War 2 and why? When did the World War end? What were the causes of the First World War? Did World War 3 already start? How do I start World War Three? When did world war 2 end? Why did world war happen? What were the causes of World War I? What was World War II? Why isn't the Seven Years' War considered the first World War? When and how did WWII end? When 2nd world war came to end? Who won World War 1? How did World War 1 come to an end? If there was a world war III around this time period what would most likely be the start of it? Why was World War 1 fought? What was World War II about? What was the main cause that ended World War One? What were the main causes behind the start of World War 2 and how did the world react? Why did Japan enter World War I? What were the causes for World War 1? Why did WW1 begin? Why did Britain enter World War I? What brought the Second World War? Were Germans the only reason to start World War II? How did the US got involved in World War I?