America takes control of Cuba as Charles E. Magoon arrives as the new Provisional Governor, with Governor Taft issuing a sweeping amnesty decree pardoning all rebels and political prisoners from the recent revolution. The amnesty covers everything from rebellion to the killing of rural guards, clearing the slate for American administration. Meanwhile, yellow fever forces the immediate evacuation of American marines from Cienfuegos onto ships in the harbor. In a remarkable engineering feat, workers complete the south Pennsylvania Railroad tunnel under the Hudson River in record-breaking time—just 14 months. Chief engineer Charles M. Jacobs led a celebration 80 feet below the river's surface as the New York and New Jersey sides finally connected, with plans for trains to run through in 18 months to two years.

These stories capture America's emerging role as both a regional power and industrial giant. The Cuban intervention represents the Roosevelt Corollary to the Monroe Doctrine in action—the U.S. asserting its right to police the Western Hemisphere. Meanwhile, the Hudson River tunnel breakthrough symbolizes the massive infrastructure projects transforming American cities during the Progressive Era. Both stories reflect a nation flexing its muscles abroad while revolutionizing transportation and connectivity at home, setting the stage for America's rise as a global superpower.

• The amnesty covers the bizarre case of ownership of horses used by Cuban insurgents—apparently this was such a contentious issue it required a special decree
• The tunnel celebration featured red, white and blue electric bulbs strung throughout, with an immense American flag made of lights spanning half the tunnel's diameter
• Mrs. Taft and Mrs. Bacon received bouquets from Commander Villaverde of the rebel army and his wife—former enemies presenting flowers to the wives of their new rulers
• The newspaper costs just three cents—equivalent to about 90 cents today
• A flood in Mexico killed 123 people and carried away a 26-ton steam shovel 'for a considerable distance'

• Charles M. Jacobs, the chief engineer celebrating in the tunnel, would go on to design the Holland Tunnel—making him the architect of America's first major underwater vehicle crossings
• The 34 pounds of air pressure in the tunnel was so intense it caused 'considerable inconvenience' to first-timers—enough to burst eardrums if not properly managed
• Governor Taft, busy governing Cuba while serving as Secretary of War, would become president just three years later—making this Cuban intervention a stepping stone to the White House
• The Pennsylvania Railroad tunnel project was part of the largest construction undertaking in American history to that point, eventually creating Penn Station
• That yellow fever outbreak forcing marine evacuation was likely the last major yellow fever epidemic in the Americas—Walter Reed's recent mosquito discoveries were just beginning to control the disease