Misc: Which is the fourth planet from the Sun?

Questions

Egypt proclaimed a republic.?

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).?

7th Shuttle Mission (Challenger 2) launched. Sally Ride is the first U.S. woman in space?