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The assassination of Archduke Ferdinand happened in Serbia, and when he was assassinated by the Bosnian terrorist Austria-Hungary thought that Serbia helped the terrorist and took it as a direct attack to Austria-Hungary
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After the assassination of Archduke Ferdinand, Austria-Hungary started to demand things from Serbia. Once Serbia declined Austria-Hungary declared war on Serbia
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After Austria-Hungary declared war on Serbia, Russia sent its army on Austria, and with Germany having a military alliance with Austria declared war on Russia.
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Germany was trying to win 2 wars at one time, so Germany attacked Belgium blindly to get to France.
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The Germans in order to get to France easily, they had to go through Belgium. The Germans sent an ultimatum to Belgium to allow passage through to get to France, Belgium denied so Germany sent troops to get through by force.
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Great Britain didn't have to go to war, but after Germany had attacked Belgium and France, a couple of hours later Great Britain Declared war on Germany.
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Big Bertha was a 420mm cannon that can shoot a 1-ton shell over 6 miles, it was so heavy that it had to be transported in 5 separate pieces by train, and it had to be set up by 200+ men.
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With the assassination of Archduke Ferdinand, the Austrians invaded Serbia.
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Lorraine was an area that belonged to France until the Germans had taken it over, so the French Army had a plan to get back their land since Belgium was neutral in the war and wasn't going to fight for their land back.
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The Battle of Mons was a battle between the allies of France against Germany which was considered the first major fight between the 2 countries.
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This battle was between Russia and Germany, this battle was brutal towards the Russian 2nd army almost wiping all of them out and led to the suicide of the commanding general.
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The first naval battle of WWI it was fought between the United Kingdom and Germany, it was fought in the south-eastern North Sea, the Britsh attacked German patrols just of the Coast of the northern part of the sea.
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Another battle with France and Great Britain against Germany, the Germans made an offensive push trying to use brute strength against the 2 warring armies but the French put a stop to it and was an overall victory of the western battle.
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This a French vehicle made in WWI it was used as the first bombing raid during the war attacking the German artillery
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This was an arrangement on Christmas day to stop the war for Christmas and both sides were very respectful to each other on that day saluting to each other and saying Merry-Christmas to each other.
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The Zeppelin was a massive airship that could reach outstanding heights, it was equipped with bombs and on May 31st that raid on England killed 28 and injured 60.
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The US declared war on Germany to help its allies fight against the brutal Germans as Germany was hurting the US' allies, so America went to help its allies by taking Germany out of the equation.
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4 years after the war had begun, there was an armistice between Germany and the allies, nobody at that time was expecting the war to last that long, there was relief and celebration across the world once the fighting had stopped.
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This was a meeting to establish the treaty after WWI, almost 30 country representatives showed up to the meeting.
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This was the most important treaty which had a goal to end WWI and punish the Germans and meet the needs of the allied powers.
