Who abolished slavery in France?

The convention, the first elected Assembly of the First Republic under the leadership of Maximilien Robespierre on 4 February 1794. It was restored by Napoleon in order to maintain French sovereignty in its colonies.

 However it was not fully enforced. One of its colonies, Haiti declared independence and it became the first sovereign state the Western Hemisphere to unconditionally abolish slavery in the modern era

For further reading check the following articles:

• The Renaissance
• Age of Enlightenment.
• French Revolution