William Wilberforce was instrumental in the abolition of the transatlantic slave trade in the 19th century. A British politician and abolitionist, he devoted a significant part of his political career to campaigning for social reform, particularly the ending of slavery. His relentless efforts culminated in the passage of the Slavery Abolition Act in 1833, which outlawed slavery throughout the British Empire. Wilberforce's moral conviction and strategic legislative work made him a key figure in the fight against slavery, inspiring future generations of activists.