This description is about the historic event of the abolition of slavery, which saw the end of the enslavement of millions of people around the world. It looks at the events that led up to the abolition of slavery, the struggles and sacrifices of those who fought for freedom, and the lasting legacy
From Wikipedia
The abolition of slavery occurred at different times in different countries. It frequently occurred sequentially in more than one stage – for example, as abolition of the trade in slaves in a specific country, and then as abolition of slavery throughout empires. Each step was usually the result of a separate law or action. This timeline shows abolition laws or actions listed chronologically. It also covers the abolition of serfdom.