The British Empire's involvement in the slave trade began in the 16th century, when English merchants began trading slaves from Africa to the Americas.

Barbados was the first British colony to legalize slavery in 1661.

The Slave Trade Act of 1807 was a British law that abolished the slave trade within the British Empire.

The Emancipation Act of 1833 was a British law that abolished slavery in the British Empire.

It is estimated that there were approximately 800,000 slaves in the British Empire at the time of the Emancipation Act.

Jamaica had the largest slave population of any British colony, with over 300,000 slaves at the time of the Emancipation Act.

William Wilberforce was the British abolitionist who led the campaign to abolish slavery in the British Empire.

The Zong was a British ship that was used to transport slaves from Africa to the Americas. In 1781, the captain of the Zong ordered the crew to throw 133 slaves overboard in order to claim insurance money.

Sierra Leone was a British colony that was founded by freed slaves in 1787.

The Slavery Abolition Act of 1838 was a British law that compensated slave owners for the loss of their slaves.

Saint Helena was the last British colony to abolish slavery in 1835.

Lord Liverpool was the British Prime Minister who abolished slavery in the British Empire.

The Cayman Islands had the smallest slave population of any British colony, with only a few hundred slaves at the time of the Emancipation Act.

The Slave Trade Act of 1807 prohibited the slave trade in the Indian Ocean.

The Slave Trade Act of 1807 prohibited the slave trade in the Pacific Ocean.