50s Flicks: Which film told of Moses leading the Israelites to the Promised Land?

Questions

In 1939 First air conditioned ---------- (Packard) exhibited, Chicago, IL. ?

In 1946 UN Educational, Scientific, and ---------- Organization formed. (UNESCO) ?

In 1956 Israeli troops reach the ---------- Canal for the first time. ?

In 1984 ---------- holds first free elections in 56 years; Sandinistas win 63%. ?

In 1492 Christopher ---------- learns of maize (corn) from the Indians of Cuba. ?