Which battle is credited with beginning trench warfare?
Battle of the Marne
Battle of Tannenberg
Battle of Ypres
Battle of Gallipoli
3 answers
https://www.history.com/this-day-in-history/first-trenches-are-dug-on-the-western-front
For anyone who wants to know the answer to this question is Battle of the Marne :)
thank you Leia