Misc: Which edible nut of the American hickory tree is similar to a Walnut?

Questions

Founded in 1822 by the American Colonisation Society as a home for liberated slaves, capital city named after US President James Monroe, which country?

A light four wheeled carriage, named after a greek mythological character?

Which cricketer who also played football for Arsenal and England made a series of Brylcreem ads just after WWii?

What does the acronym ERNIE stand for?

Which British monarch was known as The Sailor King?