The French were beaten by the Germans in Alsace-Lorraine
But they held out at the Battle of the Marne
The British Expeditionary Force, led by Sir John French, landed in France and met the advancing Germans at Mons on 23 August
The British troops at Mons were well led by Lieutenant-General Douglas Haig and were using Lee Enfield .303 bolt action rifles
Walter Bloem: 'We had to go back... A bad defeat, there could be no gainsaying it; in our first battle we had been badly beaten, and by the English - by the English we had so laughed at a few hours before.'
The French lost over 200,000 men in 12 days when they launched a direct attack on Germany through Alsace-Lorraine
The German army's advance had been so fast
Their supplies of food and ammunition could not keep up
The German army was weary and overstretched
The French were fighting to save their country
The combined British and French forces were able to stop the German advance along the line of the River Marne
They then counter-attacked and pushed the Germans back to the River Aisne
Neither side could make any progress and by 8 September troops on both sides were digging trenches
The last part of the advance was very tiring to the men and a good many fell out
The Germans have brought up strong reinforcements and have a strongly prepared position
The almost complete loss of the Royal Irish in Le Pilly showed the end of the advance
The Schlieffen Plan had failed
Germany was caught up in a two-front war
The BEF lost around 50,000 men and the Germans probably 100,000 in the first Battle of Ypres
By November 1914 it was a deadlock and the fighting had reached a stalemate which was to last until 1918
Sandbags
Provided a stronger defence against artillery bombardment
Features of the trench system
Front-line trenches
Support trenches
No man's land (the area between front-line trenches)
The trenches are arranged in zig-zag lines, not straight lines
Getting from headquarters behind the lines (marked X) to the front-line position (marked Y)
Traverse the trench system
At the beginning of the war, artillery often bombarded their own forward trenches before they got their range right
By the end of the war, artillery was much bigger and more accurate
Artillery tactics became extremely sophisticated by 1918
A vast part of European industry was given over to making shells for the artillery
Cavalry became too vulnerable to artillery and machine guns in trench warfare
Horses and mules remained vital for transporting supplies and equipment
The infantry charge became the main tactic used in the war
A major assault
1. Artillery bombardment of enemy front-line trenches (barrage)
2. Attacking troops go 'over the top'
3. Defenders emerge and set up machine guns
4. Defenders sweep advancing attackers with machine-gun fire
The machine gun was devastatingly effective against the infantry charge
The infantry charge was the only attacking strategy the generals had
As the war continued, the generals tried new tactics, weapons and equipment
New camouflage techniques were used to protect troops and guns
Artillery and infantry attacks were better synchronised
Troops were given gas masks
The tank was a promising late-war development
Infantry soldiers spent much of their time on routine tasks like digging and repairing trenches, carrying supplies, sentry duty, and secret listening posts