Emancipation Proclamation: This was an executive order issued by US President Abraham Lincoln during the American Civil War, declaring all slaves in Confederate states to be free.
Slave Trade Act 1807: A British law passed in 1807 that abolished the transatlantic slave trade, prohibiting British subjects from participating in it.
Act for the Abolition of Slavery: A French law enacted on April 27, 1848, which abolished slavery throughout all French territories.