1630s
Tulipomania
At the height of the tulip boom, a single bulb cost the equivalent of £38,000 (US$56,000); six weeks later it was worth less than £1 (US$1.45).
1929
Wall Street Crash
The Dow Jones rose from 60 to 400 points in the 8 years to 1929. It fell to 145 in a matter of weeks at the end of 1929, plunging the US into the great depression
1987
Black Monday (19th October)
The second largest one day crash in history. Why? Lemmings!
1992
Black Wednesday (16th September)
UK interest rates rose from 10% to 15% in one day and Britain exited the Exchange Rate Mechanism. Still George Soros made a mint.
2000
The dotcom bubble burst!
