At the 41st Academy Awards, Barbra Streisand and Katharine Hepburn received the same number of votes and thus tied for Best Actress (the only time this has occurred).

Italian actress Sophia Loren became the first actor, in any category, to win for a foreign language performance in Two Women (1960).

For the 97th Academy Awards, Karla Sofía Gascón became the first openly transgender person to receive a nomination in any acting category for Emilia Pérez.

[3] The current system, in which an actress is nominated for a specific performance in a single film, was introduced for the 4th Academy Awards.

The following were nominated for their portrayals of the same fictional or non-fictional character in separate films (including variations of the original).