Misc: In 1926 Gene ---------- defeats Jack Dempsey for world heavyweight boxing title. ?

Questions

who was the 'serpent of the nile'?

goose-geese, passerby- ______?

what is an object worn as a charm?

even though they broke up 25 years ago, which group still sells more records each year than the rolling stones?

until the 18th century, who produced almost all the world's diamonds?