Conversation so far:
Where is Hattie McDaniel's oscar located?
The whereabouts of McDaniel's Oscar are currently unknown.
Was Hattie McDaniel's oscar stolen?
What did Hattie McDaniel recieve the oscar for?
She receieved the oscar for Best Supporting Actress for her role in Gone With the Wind.
What did the Huffington post article say about Hattie McDaniel's oscar investigation?
In 2007, an article in The Huffington Post repeated rumors that the Oscar had been cast into the Potomac River by angry civil rights protesters in the 1960s.
Are there any other interesting aspects about the article about Hattie McDaniel?
McDaniel has two stars on the Hollywood Walk of Fame: one at 6933 Hollywood Boulevard for her contributions to radio and one at 1719 Vine Street for motion pictures.

Question: When was it noticed missing?
Self-contained rewrite: When was Hattie McDaniel's oscar noticed missing?