Title: New Delhi.
Question: What are the two terms colloquially used to refer to the jurisdiction of NCT of Delhi?

Title: Dutch Republic.
Question: What was the wealthiest and most urbanized region in the world during the 17th century?

Title: Freemasonry.
Question: Mason swear at each degree to do what?

Title: On the Origin of Species.
Question:
In what year did Darwin begin to work on his evolution theory full-time?