On This Day - 9th December

On This Day - 9th December quiz round
 
10 trivia questions about things that happened on this day in history - 9th December
 
A great round for a weekly quiz night.
 
Example questions;
 

On this day in 1979, which virus was certified as eradicated, making it the first and to date, only human disease driven to extinction?

Which lightning-fast greyhound was retired by his owner-trainer George Curtis on this day in 1986 after he won a world record 32 races in a row?