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The Spanish‑American War and the Service of Wisconsin Soldiers

In April 1898 the United States declared war on Spain, a conflict that would last only a few months but would dramatically reshape America’s role on the world stage. The Spanish‑American War was fought on three fronts—Cuba, the Philippines, and Puerto Rico—and its swift conclusion resulted in the United States acquiring territories such as Puerto Rico, Guam, and the Philippines, while Cuba gained formal independence. Though the war was brief, it mobilized a massive volunteer army; Wisconsin answered the call with extraordinary enthusiasm, sending more than 24,000 men—nearly one‑seventh of the state’s male population—into service.

Wisconsin’s contribution was organized into a series of infantry, artillery, cavalry and engineer units, most of which were mustered into federal service as “Volunteer” regiments. The 1st Wisconsin Volunteer Infantry, under Colonel John R. Stevens, was among the first to depart for Cuba, where it took part in the hard‑fought advance on Santiago de Cuba. In the rugged terrain surrounding the town, Wisconsin soldiers helped secure supply lines, constructed field fortifications, and endured the same tropical diseases that claimed more lives than combat. The 2nd and 3rd Wisconsin Infantry Regiments followed, providing critical manpower for the occupation of Guantanamo Bay after the Spanish surrender.

Beyond Cuba, Wisconsin units also saw action in the Pacific theater. The 1st Wisconsin Volunteer Cavalry was deployed to the Philippines, where it participated in the capture of Manila and later in the arduous campaign to pacify insurgent forces during the Philippine‑American War that followed the initial conflict. In Puerto Rico, the 1st Wisconsin Heavy Artillery helped establish coastal defenses and assisted in the rapid occupation of the island’s strategic ports.

The experience of Wisconsin’s volunteers left a lasting imprint on both the state and the nation. Their service demonstrated the willingness of Midwestern citizens to project American power abroad, and the hardships they endured—especially the devastating impact of yellow fever and malaria—spurred reforms in military medicine and sanitation that would improve the health of future U.S. troops. Moreover, the war’s victory and the ensuing acquisition of overseas possessions marked the United States’ transition from a continental power to an emergent global empire, a shift in which the men from Wisconsin played a small yet essential part.