Misc: At which lengthy battle did 10,000 Athenians defeat 20,000 Persians?

Questions

In 1920 Hank---------- , cartoonist (Dennis the Menace), born.?

In 1933 Quincy---------- , composer, conductor, born.?

In 1933 Michael---------- , actor, born.?

In 1947 Billy---------- , comedian, born.?

In 1950 F.B.I. begins it's "10 most ---------- list".?