It began as a way of remembering important people and events in the history of the African diaspora. It is celebrated in February in the United States and Canada, while in Ireland, the Netherlands, and the United Kingdom it is observed in October.
Black history is American history because black people have been through a lot in America such as slavery racism and studying about black history shows that it enables us to develop better understanding of the world they used to live in and what we live in now.