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Longest list of people thanked by an Oscar award winner

Longest list of people thanked by an Oscar award winner
Who
Olivia De Havilland
Where
United States (Hollywood,)
When
13 March 1947
The longest roster of people thanked by an Oscar winner was the 27 named by Olivia de Havilland (UK/USA) (b. Japan,  1 July 1916) when she won Best Actress as 'Josephine Norris' in To Each His Own (USA 1946) at the 1946 Academy Awards held at the Shrine Auditorium, Hollywood, California, USA on  13 March 1947.