When and how did WWI start and end?
How and when did WWI start and end?
Why did WWI take place? What were the causes of WWI? When did world war 2 end? What started World War II? What happened during WW2? What are the causes and effects of WWI? How were the central powers of WWI formed? What was the cause of WW1? When did prehistory end in the Americas and why? When 2nd world war came to end? How did World War Two start? What were the causes of ww1 war? How did the World War II end? When did the Middle Ages begin and end? Who did America fight in WW1? How long did it last? What happened to the central powers in WWI? How did WWI affect the U.S. economy? What is the Cold War, and when did it end? How did WWI affect Germany? What were the underlying causes of WW1? What was the sequence of events that led to World War 1 breaking out in 1914? What were the effects of WW-I? What started World War 2? What were the main reasons behind WW1? How were the Central Powers formed in WWI? When and how did time begin? What were the major effects of WW1? How did the US got involved in World War I? What are the chances of ww3 starting? What were some of the main reasons behind WW1?