World politics explainer: The Great War (WWI)
The Last Casualties of the First World War | CWGC
How to Read a Record of Service or Casualty Form (First World War) - Library and Archives Canada
Introduction - World War I Declarations: Topics in Chronicling America - Research Guides at Library of Congress
Timeline of World War I | Britannica
World War: A man notices a 'spooky' resemblance between the start dates of WWI, WWII, and the invasion of Ukraine - FeedByMe | Opinion Does Matter
1917: Vimy Ridge to Ypres: Key Dates and Events from the Fourth Year of the First World War by Saul David - Books - Hachette Australia
Discover Calderdale in the First World War | News Centre - Official news site of Calderdale Council
WW2 Dates & Timeline: 20 Important Milestones | HistoryExtra
U.S. Participation in the Great War (World War I) | Progressive Era to New Era, 1900-1929 | U.S. History Primary Source Timeline | Classroom Materials at the Library of Congress | Library of Congress
World War I - Wikipedia
Why did the US enter World War I? : News Center
All About: The First World War 1914 - 1918 by Pam Robson | Hachette UK
World War I - Wikipedia
How did WW1 Start? | Causes of the First World War - YouTube
Infographics: 10 Key dates of The First World War - International Shia News Agency
WWI VieweR, A shiny app to visualize the battles of the first world war | R-bloggers
5 Things You Need To Know About World War One | Imperial War Museums
WW1: Why did Britain join the First World War?
Timeline of events in 1918 and the end of World War One
Timeline of events in 1918 and the end of World War One
World War I: Summary, Causes & Facts | HISTORY
