World War One: How did it start? Who started it? When did it start? - Wales Online
When Did World War I End? - Lawfare
World War I Begins - Division of Historical and Cultural Affairs - State of Delaware
Timeline of World War I | Britannica
World War 1 begins July 28, 1914 | St. Tammany Parish Library
World War I | History, Summary, Causes, Combatants, Casualties, Map, & Facts | Britannica
How did WW1 change the world? - BBC Newsround
WW1: Why did Britain join the First World War?
Why did the US enter World War I? : News Center
World War I | History, Summary, Causes, Combatants, Casualties, Map, & Facts | Britannica
World War One timeline of events in 1915
World War 1: A Comprehensive Overview of the Great War - History
How did WW1 Start? | Causes of the First World War - YouTube
World War I: Summary, Causes & Facts | HISTORY
How Did World War 1 Start? | History for Kids - YouTube
At A Hefty Cost, World War I Made The U.S. A Major Military Power : Parallels : NPR
How America Saved the Day in World War One | Time
How did the First World War start? - World News - Mirror Online
World War I | History, Summary, Causes, Combatants, Casualties, Map, & Facts | Britannica
World War One | The British Library
What was the impact of World War I in shaping the modern world?
When did World War 1 start, how many people died and what was life like for the soldiers in the trenches? | The Sun
