UnScramble this Word: r s l f u e a?

Questions

Pioneer 11 launched. First spacecraft to flyby Saturn.?

Nationalist Chinese leader Chiang Kai-Shek died at the age of 87.?

Eleventh Space Shuttle Mission - Challenger 5 is launched.?

cholars' calculate this as the date that Jesus of Nazareth was crucified by Roman troops in Jerusalem.?

St. Francis Xavier, missionary?