Category:Fort Building Periods

Fort Building Periods
 * Colonial Period (1630-1775)
 * Revolutionary War (1775-1783)
 * War of 1812 (1812-1815)
 * Mexican-American War (1846-1848)
 * Washington Indian Wars (1850s)
 * U.S. Civil War (1861-1865)
 * Indian Wars (1860-1878)
 * Spanish-American War (1898-1898)
 * World War I (1917-1918)
 * World War II (1941-1945)
 * Cold War (1946-1991)