1916 John D. Rockefeller becomes the second billionaire.
1973 John Paul Getty III, grandson of billionaire J. Paul Getty, is kidnapped in Rome, Italy.
2005 Lebanese self-made billionaire and business tycoon Rafik Hariri killed, along with 21 others, when explosives equivalent of around 1,000 kg of TNT were detonated as his motorcade drove near the St. George Hotel in Beirut.