music: Early Pop Rock: They sang "A Question of Temperature".?

Questions

In 1990 Brian Mydland, keyboardist (Grateful Dead), dies at---------- .?

In 432 St ---------- ends his reign as Catholic Pope. ?

In 1501 ---------- formally installed as canon of Frauenberg Cathedral. ?

In 1501 Copernicus formally installed as canon of ---------- Cathedral. ?

In 1586 Sir Walter ---------- brings 1st tobacco to England from Virginia. ?