Parliament would abolish slavery in the British Empire in 1833, thirty years before President Lincoln's Emancipation Proclamation. A return to the British fold in 1778 might have freed American slaves three decades sooner, which is what, an entire generation and a half? Was independence for some of us more valuable than freedom for all of us? As the former slave Frederick Douglass put it in an Independence Day speech in 1852, 'This is your Fourth of July, not mine.