tv/ movies: Category: Batman 101: Selena Kyle's alter-identity, now with her own series?

Questions

New Zealander Edmund Hillary and Tenzing Norgay of Nepal became the first people to do this on May 29, 1953?

Christopher Columbus became the first explorer to land in the Americas in 1492. In 1497, who was second?

John Cabot became the first person to explore Canada in 1497. In 1534, who was second?

A pioneer in the use of snowmobiles for Arctic exploration, this explorer led the first confirmed overland expedition to the North Pole in 1968, after a 43-day journey?

This country has the highest prison population rate, at 700 prisoners per 100,000?