tv/ movies: George Cukor won his last Oscar for directing which 1964 musical?

Questions

In 1883 Benito ---------- (Il Duce), Italian facist dictator born?

In 1899 First ---------- race, Manhattan Beach, N.Y. ?

In 1900 Italian King ---------- I assassinated. ?

In 1928 Walt Disney's "---------- " is released. (First appearance of Mickey Mouse) ?

In 1958 Pres. ---------- signs into law National Aeronautics and Space Administration (NASA) and Space Act of 1958. ?