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The Battles of Lexington and Concord, fought on April 19, 1775, initiated the American Revolutionary War by marking the first military engagements between British regulars and American colonial militias -
The Battle of Baltimore was a pivotal engagement during the War of 1812, where American forces successfully defended the port city against a combined British sea and land assault from September 12–14, 1814. -
The Battle of the Alamo was a pivotal 13-day siege from February 23 to March 6, 1836, in San Antonio, Texas, where a small group of Texian defenders, including Davy Crockett, was overwhelmed and killed by Mexican forces led by President General Antonio López de Santa Anna. -
The First Battle of Bull Run (or First Manassas) was the first major land battle of the American Civil War, fought on July 21, 1861, near Manassas, Virginia. -
The Battle of Gettysburg was a pivotal, three-day battle of the American Civil War fought from July 1-3, 1863, in and around the town of Gettysburg, Pennsylvania. -
The USS Maine exploded and sank in Havana Harbor on February 15, 1898, due to an internal fire in its forward gunpowder magazines, a cause still accepted by many historians, though contemporary American opinion blamed Spain, using the incident's rallying cry "Remember the Maine!" to incite the Spanish-American War. -
The Star-Spangled Banner" became the official U.S. national anthem on March 3, 1931, when President Herbert Hoover signed the bill into law. The legislation had been introduced by Representative John Linthicum in 1930, following growing recognition of the song's patriotic significance and a campaign to make it the official anthem