World War I

Austria-Hungary declares war on Serbia

Jul 28, 1914

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Assassination of Archduke Franz Ferdinand of Austria

Jul 28, 1914

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German Empire mobilizes troops

Jul 30, 1914

https://upload.wikimedia.org/wikipedia/commons/a/a9/Flag_of_Germany_as_seen_in_Tagesschau.jpg

France mobilizes troops, Germany declares war on Russia

Aug 1, 1914

First use of chlorine gas by the Germans

Apr 22, 1915

Surrender of British troops at the Seige of Kut in Mesopotamia

Apr 19, 1916

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US congress declares war on Germany

Apr 6, 1917

US passes the espionage act

Jun 15, 1917

Hundred Days Offensive begins

Aug 8, 1918

The Hundred Days Offensive was near the end of WWI

Armistice with Gernamy was signed

Nov 11, 1918

Treaty of Versailles is signed and the League of Nations is created

Jun 28, 1919