Syllabus Edition
First teaching 2024
First exams 2026
The Context of the British Sector of the Western Front (Edexcel GCSE History): Revision Note
Exam code: 1HI0
Key developments in the First World War - Timeline & Summary

The First World War began in August 1914 when Britain declared war on Germany after its invasion of Belgium
The conflict involved fighting across many parts of the world such as in Türkiye, Italy, and in the East
Most British soldiers fought in France and Belgium, in an area called the Western Front
More advanced weapons and trench warfare led to new types of injuries
This led to major medical developments such as:
X-rays
Blood transfusions
Plastic surgery
Ambulances
Surgery techniques
The theatre of war
The government sent the British Expeditionary Force (BEF) to stop the German advance through Belgium
The size of the German Army caused Britain to retreat to protect Paris
By the end of 1914, Germany occupied much of Belgium and Northern France
Trenches were dug by both sides to protect territory
Trench warfare aimed to take the enemy's trenches, moving the frontline further into enemy territory
Key battles include:
Ypres
The Somme
Cambrai

The Ypres Salient
1914: The First Battle of Ypres
Key events
The BEF moved to Ypres to protect the coast
German forces launched an attack in October 1914
The British defended Ypres but 50,000 soldiers died
British victory meant reinforcements and supplies could be delivered on the coast
Why was this battle important for medicine?
First major battle of the First World War
Doctors learnt more about the injuries caused by advanced weapons, such as:
Bullet wounds
Shrapnel
1915: The Second Battle of Ypres
Key events
A series of small battles took place between April and May 1915
Germany used chlorine gas for the first time in the First World War
British forces lost around 59,000 soldiers
Germany moved two miles closer to the town of Ypres
Why was this battle important for medicine?
Gas injuries led to development of:
Ammonia and lime treatments
Gas masks
1917: The Third Battle of Ypres (Passchendaele)
Key events
The British launched their main attack on Ypres in July 1917 near the town of Passchendaele
Constant rainfall caused the ground to become waterlogged and many soldiers drowned
Around 245,000 soldiers from British forces died
Despite gaining only seven miles of territory, General Haig considered it a success
Why was this battle important for medicine?
Excessive rainfall led to thousands of cases of trench foot
Harvey Cushing tested saline solution to prevent infection of wounds
The Battle of the Somme
Key events
Britain attacked near the River Somme to re-take vital ground around Verdun
The first day of fighting on the 1st July 1916 led to the deaths of 20,000 British troops
The British tried two new strategies:
Creeping barrage
Timing was critical. Too late would leave British soldiers vulnerable to German gunfire. Too early and their own artillery would hit them
Tanks
These were new and untested
They suffered many technical problems
By November 1916, Britain had suffered 400,000 casualties
The battle was regarded as a failure even though the British gained six miles of territory
Why was this battle important for medicine?
Photographs of injuries helped Harold Gillies improve plastic surgery
The Battle of Cambrai
Key events
British forces attacked German trenches in October 1917
The battle featured the first large-scale use of tanks:
There were around 450 British tanks used in the battle
Tanks moved across barbed wire and had machine guns
Land taken by British forces was quickly reclaimed by Germany
Why was this battle important for medicine?
The first time stored blood was used to treat soldiers.
Oswald Hope Robertson stored 22 units of universal donor blood which saved 11 of 20 soldiers
Examiner Tips and Tricks
The part of the exam tests your understanding of the development of medicine within the historic environment (The British Sector of the Western Front).
You do not need in-depth of each battle, but how each battle helped develop medicine.
Worked Example
Describe one feature of the Battle of the Somme
2 marks
Answers:
One feature of the Battle of the Somme was that it had a high casualty rate among British soldiers (1); by November 1916, it is estimated that Britain had lost over 400,000 soldiers (1).
Examiner Tips and Tricks
This question previously asked students to describe two features of a given event. This question was out of four marks. However, as of 2025, Edexcel will split this question into two subsections, asking you to describe a feature of two different events. Each subsection is worth two marks.
This answer would receive full marks because it identifies one main feature or characteristic of the Battle of the Somme. It supports the feature with relevant knowledge. There is no need to provide explanations or justifications.
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