You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.

Category: FAMILIAR PHRASES 
Clue: The phrase "Flower Power" was coined by this poet in the 1960s
allen ginsberg

Category: RANKS & TITLES 
Clue: In 1950 Pius XII was Pontifex Maximus; exactly 2,000 years earlier, this man held a title of the same name
julius caesar

Category: WORLD HISTORY 
Clue: This world-changing event was first announced in a Barcelona banquet hall in April 1493

discovery of the new world