Misc: What london street is named after the forerunner of croquet?

Questions

What was the first world war also called?

What was the first year that women could vote in Norway?

What was the former name of Belize?

What was the former name of Kampuchea?

What was the full name of the eminent physicist who dipped a piece of o ring into a glass of water in a demonstration, & proved that low temperatures at the launhpad were responsible for the challenger disaster?