# data[].attributes.headline
June 28, 1914: Assassination of Archduke Franz Ferdinand

# data[].attributes.subject
June 28, 1914: Assassination of Archduke Franz Ferdinand

# data[].attributes.body
While not directly involving the US, this event triggered World War I. Archduke Franz Ferdinand, heir to the Austro-Hungarian throne, was assassinated in Sarajevo by a Serbian nationalist. This led to a chain reaction of alliances that pulled Europe into war.

# data[].attributes.headline
May 7, 1915: Sinking of the RMS Lusitania

# data[].attributes.subject
May 7, 1915: Sinking of the RMS Lusitania

# data[].attributes.body
A German U-boat torpedoed the British passenger ship Lusitania, killing 1,198 passengers, including 128 Americans. This event shifted American public opinion against Germany and brought the US closer to entering the war.

# data[].attributes.headline
January 1917: Zimmermann Telegram Intercepted

# data[].attributes.subject
January 1917: Zimmermann Telegram Intercepted

# data[].attributes.body
British intelligence intercepted a secret German diplomatic communication proposing a military alliance with Mexico against the United States. This revelation outraged the American public and pushed the US closer to war.

# data[].attributes.headline
April 6, 1917: US Declares War on Germany

# data[].attributes.subject
April 6, 1917: US Declares War on Germany

# data[].attributes.body
President Woodrow Wilson asked Congress for a declaration of war against Germany, citing Germany's resumption of unrestricted submarine warfare and the Zimmermann Telegram. Congress approved, and America officially entered World War I.

# data[].attributes.body
Congress passed the Selective Service Act, requiring all men between 21 and 30 to register for military service. This was America's first military draft since the Civil War, ultimately registering 24 million men.

# data[].attributes.headline
June 13, 1917: General Pershing Arrives in Europe

# data[].attributes.subject
June 13, 1917: General Pershing Arrives in Europe

# data[].attributes.body
General John J. Pershing arrived in France with the American Expeditionary Forces (AEF). He insisted that American troops fight as an independent force rather than being absorbed into British and French units.

# data[].attributes.headline
March 1918: First US Troops Enter Combat

# data[].attributes.subject
March 1918: First US Troops Enter Combat

# data[].attributes.body
American troops began engaging in serious combat operations on the Western Front. Their first major battle was at Cantigny, France, where they successfully captured and held the town against German forces.

# data[].attributes.body
US Marines played a crucial role in stopping the German advance toward Paris at Belleau Wood. This brutal battle became a defining moment for the US Marine Corps and demonstrated American military capabilities.

# data[].attributes.body
The largest and deadliest battle in US military history involved 1.2 million American soldiers. This final Allied offensive of the war helped break the German resistance and led to the armistice.

# data[].attributes.body
Germany signed an armistice agreement with the Allies, ending World War I. The US had mobilized more than 4 million military personnel and suffered 116,516 deaths. America's contribution helped ensure Allied victory and established the US as a world power.