Watch Anne Frank: A Life in Hiding - A Newsround special
This Newsround special explores the story of Anne Frank - a young, Jewish teenager forced to go into hiding with her family during the Holocaust.
During her years hidden away in a secret annex above her father's business, Anne kept a diary.
Devastatingly, before the end of the war, the family's worst fears were realised and their secret annex was discovered.
Watch the programme to find out more about their story.