

The United States declares war on Austro-Hungary. This demonstrates for the first time that the impenetrable German Hindenburg Line could in fact be breached.
#Warfare 1917 install#
The Bolsheviks overthrow the Russian government and install a Communist one under Lenin.īattle of Cambrai begins with a surprise mass tank attack by the British. At least 60,000 soldiers from both sides are killed by avalanches.


Austria-German forces (among them a young Erwin Rommel) break through at Caporetto. On the Alpine Front between Italy and Austria-Hungary, the 12th and final Battle of Isonzo ends in terminal failure for the Italian army. The Allies suffer about thirty-two thousand casualties – killed, wounded or missing – in this one action.īritish and Canadian forces finally reach Passchendael and so the Third Battle of Ypres ends.In the three and half months of the offensive, British and Empire forces had advanced barely five miles and had suffered horrendous casualties. The main offensive of the Third Battle of Ypres ( Passchendaele) begins. Brigadier General Pershing makes his first request for an army of 1,000,000 men.Īquaba is captured by Arabs led by T.E.Lawrence (of Arabia).īrigadier Pershing revises his army request figures upwards ‘slightly’ to 3,000,000 men. Greece enters the war on the side of the Allies. troops, men of the 1st Division, begin to arrive in France. More than 10,000 German soldiers are killed and much of the fortifications along the ridge are destroyed, as well as the town of Messines itself. The resulting explosions can be heard as far away as London and Dublin. The British detonate 19 large mines containing some 455 tonnes of explosive under the Messines Ridge in Belgium. Brigadier General Pershing leaves New York for France. General Nivelle is sacked, ending his career.
#Warfare 1917 series#
The high levels of casualties cause unrest throughout the French army with a month-long series of mutinies breaking out. The Nivelle and Chemin des Dames Offensives end in disastrous failures for the French. The Canadians seize ground of great military importance, and inflict heavy casualties on the German Army. The United States of America declares war on Germany.Ĭanadian troops capture Vimy Ridge. President Woodrow Wilson addresses Congress and asks the House of Representatives to declare war on Germany. It contains details of the German proposal of an alliance with Mexico against America.Īs a consequence of the Russian Revolution, Tsar Nicholas II abdicates. The Zimmermann Telegram is passed to the United States government by the British.

Laconia, sailing from New York to Liverpool, is sunk off the Irish coast by a German U-boat. The United States of America severs diplomatic ties with Germany. Lloyd George orders Royal Navy convoys to protect merchant ships destined for Britain. Over the next month close to a million tons of shipping would be lost. All allied and neutral ships are to be sunk on sight. Germany resumes unrestricted U-boat warfare. The American states of Texas, Arizona and New Mexico would be offered to the Mexican government in return for such assistance. The British intercept and decode a telegram from the German Foreign Secretary Arthur Zimmermann to Mexico urging her entry into war against the United States. Important events of 1917 during the fourth and penultimate year of the First World War, including the surprise tank attack by the British (pictured above) at the Battle of Cambrai.
