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(1776-1860) AMERICAN REVOLUTION, WAR OF 1812, MEXICAN-AMERICAN WAR, AMERICAN INDIAN WARS TO 1865
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(1861-1865) AMERICAN CIVIL WAR - The War Between the States
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(1866-1890) PLAINS INDIAN WARS - Westward Expansion
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(1898-1916) SPANISH AMERICAN WAR, BOXER REBELLION, PHILIPPINE INSURRECTION, MEXICAN BORDER SERVICE TO 1916
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(1917-1919) WORLD WAR ONE, RUSSIAN INTERVENTION
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(1920-1940) THE INTERWAR YEARS, BANANA WARS, HAWAIIAN DIVISION, CHINA SERVICE to 1940
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UNIFORM BUTTONS