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Cause of the WAR: ARCHDUKE FRANZ FERDINAND IS ASSISSINATED
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AUSTRIA-HUNGARY DECLARES WAR ON SERBIA. WORLD WAR I BEGINS
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GERMAN U-BOAT TORPEDOES THE LUSITANIA
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THE UNITED STATES SEVERS DIPLOMATIC RELATIONS WITH GERMANY
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UNITED STATES IS ALERTED ABOUT THE ZIMMERMAN TELEGRAM
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THE US DECLARES WAR ON GERMANY
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MILLIONS OF AMERICAN MEN REGISTER FOR SERVICE ON THE FIRST DAY OF THE DRAFT
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U.S. WAR DEPARTMENT AUTHORIZES CHEMICAL WARFARE SERVICE
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GERMANY AND ALLIES SIGN THE PEACE TREATY
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GERMANY RATIFIES TREATY OF VERSAILLES
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U.S. SENATE REFUSES TO RATIFY THE TREATY OF VERSAILLES
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TREATY OF SEVRES ENDS THE WAR ON THE EASTERN FRONT WITH THE OTTOMAN EMPIRE