General Knowledge Quiz

Attending and winning quizzes was great fun during my school years (especially if the team you are on is the best team in the city). The questions in the quizzes during my school days were pretty much like the questions below, simple GK based question. But then during my college years, the quizzes became intensely "trivia" oriented. If you had not seen the third episode of a series, you would not know the answer kind of question, like the most important question below.

Answer these questions:

* When did Columbus discover the Americas?
* The first shot of American Revolutionary War was fired here ______.
* Which Bolshevik played a key role in the October Revolution along with Lenin?
* What did Eli Whitney invent in 1793?

(I could remember the answer to the last question only!)

and the most important question is:
what is the common theme between these questions?


Hint - He is the 'Defender of freedom', 'Advocate of liberty', the 'champion of liberty and justice', "it's a bird, it's a plane, no its not ...it's ..."

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