Misc: In 1956 Bjorn---------- , tennis player, born.?

Questions

What colour is bistre, a pigment used in artist's paints and inks?

In units of measurement, how many rods are there in a chain?

Which Oliver Stone film won the Oscar for the best film in 1986?

The bite from which insect caused the death of the poet Rupert Brook?

Which U. S. State did Ray Charles have on his mind on a 1960 single?