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who won the first day of the battle of the somme

No side can be said to have “won” the first day of the Battle of the Somme, but tactically the Germans held most of their positions while the British in particular suffered catastrophic losses, so historians generally see the day as a German defensive success rather than an Allied victory.

What happened on 1 July 1916

  • The Allies (mainly British with supporting French forces) launched a major offensive along the Somme River on the Western Front, hoping to break through German lines and relieve pressure on the French at Verdun.
  • On the first day, the British Army suffered about 57,000 casualties (around 19,000 killed), the bloodiest single day in British military history, for only limited territorial gains in most sectors.
  • In the northern and central parts of the front, German defenses largely held, and British attacks were thrown back with heavy losses.
  • In the southern sector, British and French units did capture some of their objectives (for example, areas around Montauban and Mametz, and French advances south of the Somme), but these local successes did not add up to a clear overall victory for the Allies that day.

So who “won” that day?

  • In terms of casualties inflicted versus ground lost, the Germans achieved their immediate tactical aim: they prevented a breakthrough and held most of their front line.
  • The Allies failed to achieve the rapid, decisive advance they had planned; their gains were small and came at enormous cost in men.
  • Because of this, most historians describe the first day as a disastrous day for the British and a defensive success for Germany, even though the wider Somme offensive continued for months afterward and is judged more ambiguously over the whole campaign.

TL;DR: The first day of the Somme was not an Allied victory; it is usually viewed as a German defensive success and a terrible, costly failure for the British in particular. Information gathered from public forums or data available on the internet and portrayed here.