US President Millard Filmore signed the Fugitive Slave Act of 1850 on September 18 of that year, obliging law enforcement to arrest escaped slaves in all US states, including those where slavery was not legal. Free black men and women were endangered by the act's passage as they were at risk of being falsely identified as escaped slaves. The act heightened tensions between abolitionists in the North and slaveholders in the South, contributing to what would become the Civil War eleven years later. Learn more about the Fugitive Slave Act from the National Constitution Center.

On September 18, 1797, future US Supreme Court Justice, Harvard law professor, and legal author Joseph Story was born in Marblehead, Massachusetts. West Virginia University law professor James Elkins notes that Story was also a poet; learn more about Story and read a couple of his poems here.

On September 18, 1838, the Anti-Corn Law League was created in the United Kingdom. As the name suggests, the purpose of the association was to press for the abolition of British Corn Laws, which were indeed repealed in 1846. After the repeal, the organization worked to oppose other protectionist measures in the UK. The weekly news publication, The Economist, was founded as part of the anti-corn law movement.

On September 18, 1797, future US Supreme Court Justice, Harvard law professor, and legal author Joseph Story was born at Marblehead, Massachusetts.

West Virginiia University law professor James Elkins notes that Story was also a poet - learn more about Story and read a couple of his poems here.