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The Battles of Lexington and Concord, on April 19, 1775, were the first military engagements of the American Revolutionary War, erupting when British troops marched from Boston to confiscate colonial military supplies stored in Concord, Massachusetts. -
The Battle of Baltimore was a decisive battle during the War of 1812 fought between September 12–14, 1814, where American forces repulsed both a land and naval invasion of the critical port city of Baltimore by British forces. -
The Battle of the Alamo was a pivotal event and military engagement in the Texas Revolution. Following a 13-day siege, Mexican troops under President General Antonio López de Santa Anna reclaimed the Alamo Mission near San Antonio de Béxar. -
On November 6, 1860, Lincoln was elected as the first Republican president. His victory was entirely due to his support in the North and West. No ballots were cast for him in 10 of the 15 Southern slave states. -
South Carolina seceded from the United States on December 20, 1860, after the election of Abraham Lincoln, becoming the first state to do so. This act of secession led to other Southern states following suit and ultimately triggered the American Civil War. -
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, in Virginia. A Confederate victory led by General P.G.T. -
The Battle of Gettysburg was a pivotal three-day conflict from July 1–3, 1863, in and around Gettysburg, Pennsylvania, during the American Civil War. Led by Union General George G. Meade and Confederate General Robert E. Lee -
The surrender at Appomattox Court House on April 9, 1865, was a pivotal event where Confederate General Robert E. Lee surrendered to Union General Ulysses S. Grant, effectively ending the Civil War. -
The sinking of the USS Maine was a pivotal event that led to the Spanish-American War; the battleship exploded and sank in Havana, Cuba, on February 15, 1898, killing 261 sailors. -
The Star-Spangled Banner" became the official national anthem of the United States on March 3, 1931, when President Herbert Hoover signed the bill into law.