Date: Sept. 29, 2008
(Spencer Platt/Getty Images)
Circumstances: Markets were still on the ropes from the Lehman failure when the U.S. House of Representatives pole-axed it by rejecting the Bush administration's proposed $700 billion bailout of the financial industry. Three days later Congress changed its mind, and lo, TARP was born. But the financial crisis was just beginning, as was the market's historic slide.