80s Films: ___ on the Fourth of July?

Questions

In the Bible, who was credited with killing tens of thousands of the Philistines, when his king was only credited with killing thousands of the Philistines?

Which star appears brightest in the northern constellation Lyra -it is also the fourth brightest in the night sky?

What avenue runs along the east side of Central Park, New York?

Who was the U. S. president at the time of the 'Wall Street Crash'?

Which was the first 'spaghetti western' starring Clint Eastwood?