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The kingdom of Sardinia allied with France, defeated the Austrian Empire, and obtained Italian unification. -
Prussia defeated the Austrians and created the North German Confederation. -
After the Franco-Prussian War, the German Empire was proclaimed at Versailles. -
The German Empire signed a defensive military alliance with Austria-Hungary; later, Italy joined and created the Triple Alliance in 1882. -
Russia, France, and the United Kingdom got together because they felt threatened by the rise of Germany and signed a military alliance, creating the Triple Entente. -
The Ottoman Empire was weakened by a revolution, and Austria-Hungary took advantage and annexed Bosnia and Herzegovina. Serbia and Russia opposed this move. -
Francois-Ferdinand, the heir to the Austrian throne, was assassinated by a Serbian nationalist. -
During a submarine war in May 1915, Germany sank a British ship with US citizens inside. Germany decided to retreat. -
On July 28, Austria-Hungary declared war on Serbia after accusing it of organizing the attack. In a few days, all the European powers went to war. Russia, the United Kingdom, France, and Bosnia were part of the Allied forces. Germany and Austria-Hungary were the central powers, and only Italy stayed neutral. -
In January 1917, Germany relaunched submarine warfare in response to the US, which was giving resources to the allied powers. In addition, Germany sent a telegram to Mexico offering an alliance against the US. -
The telegram was intercepted by Britain and sent to the US, which declared war on Germany in April 1917. -
After many strategic attacks from the Allies, they managed to overpower Germany and force them to sign a peace treaty on November 11, 1918. -
It was not until June 28, 1919, that Germany and the Allies signed a treaty at Versailles. Germany faced consequences as a result: it lost 20% of its territory, the army was severely dismantled, the Saar region was brought under international control, and lastly, they needed to pay for all the damages.