Conversation so far:
When was De Beers established?
13 March 1888.
What was De Beers?
Consolidated Mines.
Did De Beers accomplish anything significant?
Rhodes was named the chairman of De Beers at the company's founding in 1888.

Question: Did De Beers have any set backs or obstacles?
Self-contained rewrite: Did De Beers have any set backs or obstacles?