When did WWI really begin?
When and how did WWI begin?
Where did the battles of WWI take place? What were the causes of WWI? What started World War II? When and how did WWII end? How were the Central Powers formed in WWI? What happened during WW2? What are the causes and effects of WWI? What happened to the central powers in WWI? How were the Central Powers established and what influence did they have during WWI? Who started World War I and World War II? When did the World War end? How did World War Two start? How did WWI affect Germany? What were the main reasons behind WW1? What started World War 2? How did nationalism create the WW1? (Specific Events) What were the causes of the First World War? How did the US got involved in World War I? Who did America fight in WW1? How long did it last? Why did the US get involved in WW2? What was Ultra during WW2? What were some of the main reasons behind WW1? How did WWI affect the U.S. economy? Why did the U.S. become involved in World War II? How did the allied powers unite in WW1? When did world war 2 end? What were the effects of WW-I? When did the modern era begin? Why did world war happen? Who started World War 2 and why?