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Austria- Hungary declares war on Serbia
Austria-Hungary consequently considers herself henceforward in state of war with Serbia. -
Germany invades neutral Belgium
The German government wrote to the Belgian government demanding the right of free passage across Belgium for its troops. -
Battle of the Frontiers begins
The Battle of the Frontiers comprised five offensives launched under French. -
Japan's 21 demands on China
The Japanese government secretly presented to its Chinese counterpart a list of twenty-one grievances of which it required immediate resolution. -
First passenger ship sinks, the British liner Falaba
Leon Thrasher, a 31-year-old mining engineer and native of Massachusetts, drowned when a German submarine had drowned. -
Anglo-French force lands at Salonika in Greece
The Salonika Campaign Society was formed to promote interest in the Salonika campaign. -
Pancho Villa's raid on Columbus, New Mexico
Angered over American support of his rivals for the control of Mexico, the peasant-born revolutionary leader Pancho Villa attacks the border town of Columbus, New Mexico. -
Italy declares war on Germany
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First German airplane air-raid on Britain
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Germany announces unrestricted submarine warfare
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Germany resumes unrestricted submarine warfare
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US severs diplomatic ties with Germany
