At the 100th anniversary of the start of World War I, let’s look at some items from Acumen that reflect the events of the war’s earliest days.
July 28 — Austria-Hungary declares war on Serbia, following the assassination of Archduke Franz Ferdinand; Russia mobilizes in response
August 1 — Germany declares war on Russia
August 3 — Germany declares war on France; Belgium denies Germany the right to pass through to France
August 4 — Germany invades Belgium; United Kingdom declares war on Germany
August 4 — United States declares neutrality
August 6 – Austria-Hungary declares war on Russia
August 11 – France declares war on Austria Hungary
August 14 – France invades Lorraine, a German border territory that was long part of France
August 20 – Germany occupies Brussels (Belgium); Battle of Mulhouse (Alsace, Germany), a Central Powers victory
August 22 – Austria-Hungary declares war on Belgium
August 28 – First Battle of Heligoland Bight (North Sea), first naval battle of the war, Allied Powers victory
August 17 — Battle of Tannenberg (Germany), Central Powers victory
September 5 — First Battle of the Marne, Allied Powers stop advance of Germans through France
While this first month of the war saw armies on the move, soon after trench warfare set in along the Western Front, to last for most of the duration of the war.
To learn more about the American experience of WWI, take a look at our new digital exhibit, WWI: Centennial Reflections.