Misc: what 1937 movie was seen by 20 million within three months of its release?

Questions

In 1970 Andre ---------- U.S., tennis pro (US & French Open finalist-1990), born.?

In 1933 Willie ---------- , singer, actor ?

In 1942 First submarine built on Great Lakes launched, " ---------- ", Manitowoc, Wi. ?

In 1945 Adolf Hitler and wife ---------- commit suicide. ?

In 1955 Element ---------- announced - element 101. ?