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An alliance between Germany and Austria-Hungary is forged on October 7th, 1879.
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Germany forced Italy to join their alliance with Austria-Hungary, mainly preventing a territorial war with the latter.
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An alliance between Germany and Russia is forged by Otto von Bismarck on June 18th, 1887.
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Germany refuses to renew the Reinsurance Treaty on June 18th, 1890.
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After the Reinsurance Treaty failed to be renewed, France formed an alliance with Russia, hoping to gain an advantage over Germany, Austria-Hungary, and Italy.
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Agreement between England and France to settle past colonial differences, mainly in Morroco and Egypt, signed on April 8th, 1904.
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The Triple Alliance between Germany, Austria-Hungary, and Italy is renewed.
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A colonial agreement between England and Russia, very similar to the Entente Cordiale, forms, collectively, the Triple Entente between England, Russia, and France.
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Serbia grows furious at the Austro-Hungarian annex of Bosnia the previous year on October 6th, 1908.
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The Triple Alliance is renewed for the second time.
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World War 1 began on May 20th, 1914 with the assassination of the Austro-Hungarian heir to the throne, Archduke Franz Ferdinand in Sarajavo, Bosnia, by the Black Hand, a Serbian nationalist society.
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Austria-Hungary declares war on Serbia on July 28th, 1914.
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Russia announces mobilisation of her troops on July 31st, 1914.
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In result of her aiding Serbia, Germany declares war on Russia, then Germany declares war on France and invades Belgium on August 3rd, causing Britain to declare war on Germany on the next day, Austria-Hungary declares war with Russia on the 6th, Japan declares war on Germany on the 13th.
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Russia declares war on Turkey on the 2nd, France and Britain do the same on th 5th.
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The first German zeppelins are sighted in England on January 19th, 1915.
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A British cruiser, the Lusitania, is sunk by a German U-Boat with many American souls on board.
