Grateful Dead: This song, their first top 40 hit, came 20 years into their careers.?

Questions

Who won the marathon in the first modern Olympic Games in 1896?

The name of which son of Zeus and a nymph has been given to a locking case for bottles of spirits?

Some of the survivors from which ship were rescued by Grace Darling and her father in sept 1838?

name of the first woman in the world to be elected Head of State in 1980?

In the PG Wodehouse novels what was Jeeves Christian name?