Germany's invasion of Belgium forces Britain to declare war on Berlin while the

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Britain Declares War on Germany: WWI Goes Global

Germany's invasion of Belgium forces Britain to declare war on Berlin while the United States immediately pledges neutrality. This sequence shatters European diplomatic stability and drags a global power into a conflict that will redefine borders for decades.

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August 4, 1914

112 years ago

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Britain Declares War on Germany: WWI Goes Global

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