Slavery first started in the Middle Ages.

In ancient Egypt people who could not pay money back were made slaves.

In Rome all slaves were trained to be gladiators.

Serfdom developed in America during the Civil War.

Portuguese navigators started bringing slaves from Africa to Europe.

Triangular slave trade became popular in the 18th century.

American slaves lived and worked on plantations in the southern states.

Abraham Lincoln was one of the great leaders of the southern states.

Slavery officially ended after World War I

The Underground Railroad helped slaves escape to the north.

During World War II many people landed as slaves in labour camps.

In ancient Greece all slaves had to work for the government.