Black History Month is an annual observance originating in the United States, where it is also known as African-American History Month. It has received official recognition from governments in the United States and Canada, and more recently has been observed unofficially in Ireland, the Netherlands, and the United Kingdom. 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. Source