<human>:  What is black history month and why is it celebrated?
<bot>: Black History Month is an annual celebration of the achievements and contributions of African Americans to the history, culture and society of the United States. It is celebrated each February in the United States, as well as in Canada, the United Kingdom and the Netherlands. The purpose of celebrating Black History Month is to recognize, celebrate and educate about the actions, events and accomplishments of African Americans throughout the history of the United States. It serves as an important reminder that African Americans have overcome, and continue to overcome, oppression and racism.