World War I - Wikipedia
April 1917: America entered the first World War | Article | The United States Army
WW1: Why did Britain join the First World War?
World War I - Wikipedia
Timeline of events in 1918 and the end of World War One
Timeline of World War I | Britannica
World War I | History, Summary, Causes, Combatants, Casualties, Map, & Facts | Britannica
Why the First World War DID NOT end in 1918 - YouTube
World War I: A time of upheaval | CNN
World War I - End of the German war and the Armistice | Britannica
When Did The First World War Really End? | Imperial War Museums
World War I - Wikipedia
World War One timeline of events in 1915
World War I | History, Summary, Causes, Combatants, Casualties, Map, & Facts | Britannica
World War I - Wikipedia
How did the First World War start? | News | The Week UK
When Did World War I End? - Lawfare
Was Europe really ready for World War I?
World War I: Summary, Causes & Facts | HISTORY
Russian entry into World War I - Wikipedia
WW1 memories: my grandfather's story | First world war | The Guardian
How did World War One end and what happened next? - BBC Bitesize
How did World War One end and what happened next? - BBC Bitesize
What the First World War means to me - Fitzrovia News
Why did the US enter World War I? : News Center
