It didn't. American Beauty won in 1999, the year that The Sixth Sense was nominated.
She was nominated as Best Supporting Actress, but did not win, for The Sixth Sense (1999).
All the King's Men won the Oscar for Best Picture in 1949.
Oliver! won the Oscar for Best Picture in 1968.
The Sting won the Oscar for Best Picture in 1973.
An American in Paris won the Oscar for Best Picture in 1951.
She was nominated, but did not win, for The Sixth Sense(1999).
She was nominated as Best Supporting Actress, but did not win, for The Sixth Sense (1999).
All the King's Men won the Oscar for Best Picture in 1949.
Oliver! won the Oscar for Best Picture in 1968.
On the Waterfront won the Oscar for Best Picture in 1954.
The Sting won the Oscar for Best Picture in 1973.
An American in Paris won the Oscar for Best Picture in 1951.
Gentleman's Agreement won the Oscar for Best Picture in 1947.
Grand Hotel won the Oscar for Best Picture in 1931.
Lawrence of Arabia won the Oscar for Best Picture in 1962.
Mrs. Miniver won the Oscar for Best Picture in 1942.
The Lost Weekend won the Oscar for Best Picture in 1945.