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Austro-Hungary take over croatia
Croatia first appeared as a duchy in the late 8th century and then as a kingdom in the 10th century. From the 12th century it remained a distinct state but it obeyed the kings and emperors of various neighboring powers, primarily Hungary and Austria. Austro-Hungary took them over completely in 1867. -
Austria-Hungary took over Serbia (Bosnia)
A section of Serbia (Bosnia) was taken over by Austria-Hungary. The serbs in Bosnia were angered by this and created a terrorist group called The Black Hand. They killed the Archduke Franz Ferdinand of Austria-Hungary, and his wife. This angered Austria-Hungary, and they sent an ultimatum to Serbia saying that Serbia better arrest all members of the Black Hand, -
Gravillto Princip
Gravillto Princip was a Bosnian Serb who assassinated Archduke Franz Ferdinand of Austria and his pregnant wife, Sophie, Duchess of Hohenberg, in Sarajevo on 28 June 1914. -
battle of marne
The First Battle of the Marne was conducted between 6-12 September 1914, with the outcome bringing to an end the war of movement that had dominated the First World War since the beginning of August. -
turkey entered the war
Turkey formally entered World War I on October 28, 1914, with the bombing of Russian Black Sea ports. The Triple Entente, or Allied Powers, declared war on the Ottoman Empire on November 4. -
flame thrower first used
They were first used during World War I. Was by no means a particularly groundbreaking weapon. Some flamethrowers project a stream of ignited flammable liquid. Some project a long gas flame. -
italy entres war
Having declared a policy of neutrality at the outset of the war on 2 August 1914, the Italian government was eventually persuaded to enter the war on the side of the Allies in May 1915. -
chloride gas used
The first use of gas by the British was at the Battle of Loos, 25 September 1915, but the attempt was a disaster. The plan was to release it on the British. On this occasion the wind proved inconsistent, and the gas either Remained in no man's land or, in places, blew back on the British trenches. -
motor machine gun units used
The Machine Gun Corps (MGC) was a corps of the British Army, formed in October 1915 in response to the need for more effective use of machine guns on the Western Front in World War I. -
tank first used
The tank had a big part in World War One. The tank was first used at the little known Battle of Flers. It was then used with less success at the Battle of the Somme. Though the tank was highly unreliable – as one would expect from a new machine – it did a great deal to end the horrors of trench warfare and brought back some mobility to the Western Front. -
Battle of Verdun
The battle of Verdun was one of the major battles during the First World War on the Western Front. It was fought between the German and French armies, from 21 February to 18 December 1916, on hilly terrain north of the city of Verdun-sur-Meuse in north-eastern France. -
Battle of Somme
The Battle of the Somme also known as the Somme Offensive, was a battle of the First World War fought by the armies of the British and French empires against the German Empire. It took place between 1 July and 18 November 1916 on either side of the River Somme in France. -
America entered the war
The germans attacked british ships and started a blockade so no food could get in or out only problem was that American ships was getting blocked to. -
submarines used
The use of submarine warfare was announced by Germany on January 9th, 1917. Submarines played a big part in the World War 1 as it was one of the main reasons why America joined the war.
