From the signing of the U.S. Constitution to historic land runs, technological breakthroughs, and cultural milestones, the days spanning September 15 to September 21 showcase the resilience, evolution, and pivotal moments that have shaped the United States.
September 15
- 1776 (The New York Campaign): British forces executed a successful amphibious landing at Kip’s Bay during the American Revolutionary War, pushing back inexperienced American militia and securing strategic ground in Manhattan.
- 1963 (Civil Rights Movement): The devastating bombing of the 16th Street Baptist Church in Birmingham, Alabama, claimed the lives of four young African American girls, sparking national outrage and serving as a watershed moment for the civil rights movement.
September 16
- 1893 (The Cherokee Strip Land Run): More than 100,000 eager pioneers participated in the largest land run in U.S. history, racing across the border into Oklahoma to claim newly opened territories.
- 1940 (First Peacetime Draft): President Franklin D. Roosevelt signed the Selective Training and Service Act into law, officially establishing the first peacetime military draft in American history.
September 17
- 1787 (Adoption of the Constitution): Delegates at the Constitutional Convention in Philadelphia finalized and signed the United States Constitution, establishing the supreme law and operating manual of the American republic.
- 1862 (The Battle of Antietam): Fought near Sharpsburg, Maryland, this fierce Civil War clash became the bloodiest single day in American military history, resulting in over 22,000 casualties.
September 18
- 1850 (The Fugitive Slave Act): As part of the Compromise of 1850, the U.S. Congress passed the Fugitive Slave Act, compelling citizens to assist in the capture of runaway slaves and intensifying national sectional tensions.
- 1947 (Birth of the U.S. Air Force): Following the implementation of the National Security Act, the United States Air Force officially separated from the Army to become an independent, co-equal branch of the U.S. Armed Forces.
September 19
- 1796 (Washington’s Farewell Address): President George Washington’s final public letter was published across the nation, cautioning future generations against the dangers of partisan factionalism and permanent foreign alliances.
- 1881 (Death of President Garfield): Following weeks of lingering illness after being shot by an assassin, President James A. Garfield passed away, paving the way for Vice President Chester A. Arthur to take the oath of office.
September 20
- 1893 (First American Gasoline Automobile): Inventors Charles and Frank Duryea successfully road-tested the first successful American-made, gasoline-powered motor vehicle in Springfield, Massachusetts.
- 1973 (The Battle of the Sexes): Tennis icon Billie Jean King triumphed over Bobby Riggs in a heavily publicized, landmark “Battle of the Sexes” match at the Houston Astrodome, drawing a massive global television audience.
September 21
- 1780 (Arnold’s Treason): General Benedict Arnold met secretly with British spy Major John André to hand over strategic blueprints for the American fort at West Point, committing one of the most infamous acts of betrayal in U.S. history.
- 1942 (Maiden Flight of the B-29 Superfortress): Boeing’s advanced B-29 Superfortress heavy bomber completed its first test flight in Seattle, Washington, going on to become the largest and most technologically advanced bomber utilized by the U.S. during World War II.
