Today is the date attributed to be the death of Anne Frank. After the publication of the diary, many Neo-Nazis claimed the diary was a hoax (and still do). From the article:
"After Anne’s diary was published, some people called it a hoax—particularly neo-Nazis who wanted to claim the Holocaust never happened. In 1963, Nazi hunter and concentration camp survivor Simon Wiesenthal tracked down former SS officer Karl Silberbauer, who at that time was working as a police inspector in Austria. When confronted, Silberbauer confessed, "Yes, I arrested Anne Frank."