1880 Formation of De Beers Consolidated Mines

Who: Cecil Rhodes

What: Revealed by US Congressman Charles A. Lindbergh, Sr. from Minnesota before the US Congress sometime during his term of office between the years of 1907 and 1917 to warn the citizens.

Where: Johannesburg, South Africa

Why: Diamond mines began being discovered in great abundance, and it became understood that without a control of the supply of diamonds, the value of diamonds would collapse.