What was the first battle in World War I?
List of military engagements of World War I
Battle of Le Cateau
Battle of St. Quentin, also called the Battle of Guise
First Battle of the Marne
First Battle of the Aisne
Siege of Antwerp
First Battle of Albert
First Battle of Arras
Battle of the Yser
First Battle of Ypres
First Battle of Champagne