Misc: of which country does the kalahari desert cover 84%?

Questions

First Mormon temple was dedicated in Kirtland, Ohio?

M. L. Byrn of New York patented a corkscrew?

Sir Henry Royce, one of the founders of Rolls-Royce, born?

James Callaghan, former British Prime Minister, born?

Arthur Mitchell, dancer, dance company director, born?