On July 28th 1914 Austria-Hungary declared war against Serbia. As our article from August 1st 1914 feared, the war quickly escalated when on that same day Germany, which was allied with Austria-Hungary, declared war against Russia (which was allied with Serbia) and two days later against France. Britain entered the war against Germany on August 4th, after it received an "unsatisfactory reply" regarding Belgium's neutrality.
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