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New weapons and tactics
World War 1 was the first war to have armored cars. -
Francis Ferdinand is assassinated.
On Sunday, 28 June 1914, at about 10:45 am, Franz Ferdinand and his wife were assassinated in Sarajevo, the capital of the Austro-Hungarian province of Bosnia and Herzegovina. Sparked the beginning of WW1. -
Outbreak of War
It was determined to take decisive action against Serbia and, by now, knew this risked war with Russia, Serbia's supporter. -
Battle of Tannenberg
The battle resulted in the almost complete destruction of the Russian Second Army and the suicide of its commanding general, Alexander Samsonov. -
Battle of Mons
Mons was a humiliating defeat for the proud BEF, where a total of 1,638 British servicemen lay dead. -
Germany Invades Belgium
Germany declared war on France. To avoid the French fortifications along the French-German border, the troops had to cross Belgium and attack the French Army by the north. -
Formation of the Allied Powers and Central Powers
Russia, France, and Great Britain formalized their alliance with a treaty stipulating that no member of the partnership would make a separate peace with their mutual enemies -
Battle of the Marne
The First Battle of the Marne marked the end of the German sweep into France and the beginning of the trench warfare that was to characterize World War One. -
First Battle of Ypres
It was the climactic fight of the “Race to the Sea,” an attempt by the German army to break through Allied lines and capture French ports on the English Channel which opened access to the North Sea and beyond. The battle was extraordinarily costly in terms of casualties. -
Gallipoli Campaign
A British-French fleet had made several attempts to breach Ottoman defenses in the Dardanelles but had suffered a decisive defeat on 18 March 1915. -
Lusitania sinking
The Lusitania became a focus for British and American propaganda and was used to bolster recruitment efforts. However, Germany claimed that the sinking was justified because munitions were being carried on board. -
Battle of the Somme
Somme offensive was one of the largest and bloodiest battles of the First World War. -
Battle of 'Verdun
France repelled the German assault, saving the city of Verdun and winning a major morale boost. -
Russian Revalution
During the Russian Revolution, the Bolsheviks, led by leftist revolutionary Vladimir Lenin, seized power and destroyed the tradition of czarist rule. -
U.S Entry into the War
Germany's resumption of submarine attacks on passenger and merchant ships in 1917. -
Third Battle of Ypres
It lasted over 100 days. In that time, the Allies advanced about 5 miles for the loss of over 250,000 soldiers killed, wounded or missing. -
Battle of Passchendaele
the Canadians attack on November 10 and clear the Germans from the eastern edge of Passchendaele Ridge before the campaign finally ground to a halt. -
Armistice
World War I Ends. On November 11, 1918 an armistice was signed between the Germans and the Allies, ending World War I. -
Treaty of Versailles
The Treaty of Versailles was signed by Germany and the Allied Nations on June 28, 1919