Misc: In 1985 21st Space Shuttle Mission - ---------- is launched. ?

Questions

what actor played batman in the first batman movie?

who had a 1980s number one with let's party?

name the duo who had a hit with everybody wants to rule the world?

calling occupants of interplanetary craft was a best-selling single for which american duo?

what was the manic street preachers' first post-richey single?