The acceptance of the facts of African-American history and the African-American historian as a legitimate part of the academic community did not come easily. Slavery ended and left its false images of black people intact.

History never looks like history when you are living through it. It always looks confusing and messy, and it always feels uncomfortable.

For one thing, before the 20th century, there were plenty of genocides. We tend to forget about them, partly because they weren't as well documented and partly because, until recently, people didn't care. We used euphemisms like 'sackings' and 'sieges' instead of calling them 'genocides.'

Your grandparents came of age in the Great Depression, when everyday life was about deprivation and sacrifice, when the economic conditions of the time were so grave and so unrelenting it would have been easy enough for the American dream to fade away.

Nigeria has had a complicated colonial history. My work has examined that part of our story extensively.

William Wilberforce...w as a great man who impacted the Western world as few others have done. Blessed with brains, charm, influence and initiative, much wealth ... he put evangelism on Britain's map as a power for social change, first by overthrowing the slave trade almost single-handed and then by generating a stream of societies for doing good and reducing evil in public life... To forget such men is foolish.