tv/ movies: What film won the Oscar for best Picture in 1974 47th Academy Awards?

Questions

Saudi Prince Faisal Ibn Mussed Abdul Aziz beheaded in Riyadh shopping center parking lot for killing his uncle the king?

Space Shuttle test model the "Enterprise" carries a crew aloft for the first time. It was fixed to a modified Boeing 747?

Supreme Court Justice Potter Stewart retires. (replaced by Sandra Day O'Connor first woman on the high court)?

Blaise Pascal, mathematician, born?

Slavery is abolished in the US territories?