Misc: How many wisdom teeth does an adult have?

Questions

In 1979 ---------- (Gilbert and Ellice Is.) gains independence from Britain. ?

In 574 ---------- ends his reign as Catholic Pope. ?

In 1396 Philip the Good Duke of---------- , born. ?

In 1568 Dean of St ---------- 's Cathedral perfects a way to bottle beer. ?

In 1793 French revolutionary writer Jean Paul ---------- murdered by Charlotte Corday. ?