During the First Battle of Ypres in 1914, the Germans captured Hill 60, just south of the town. The British tunnelled under the hill and placed 5 mines under it, which blew up the German defences. The British then recaptured the hill.
When was Hill 60 attacked?
Hill 60 was captured by the Germans in December 1914, and the British took it back in April 1915.
Why was Hill 60 important?
Hill 60 gave the advantage of high ground in otherwise very flat terrain.