The 1860's were a very turbulent time for Britain. The country had just lost the American Civil War and the abolition of the African slave trade was no doubt having effects on the overall economy. In this environment, Overend, Gurney and Company, the so called "bankers' bank", spectacularly collapsed in May 1866, owing about 11 million pounds (probably about £6 billion in todays money). At the time Overend, Gurney & Co, had a turnover double that of all its competitors and was the second wealthiest bank in the country. Only the Bank of England had more money.
What caused the collapse?
In 1862, 500 new limited companies were registered in Britain. By 1865, nearly 1,000 companies were registered because of changes in liability law, making it easier for individuals to register companies and not face liability in case they went bankrupt. Many of these new companies were promoted fraudulently, but the bank paid little attention to the finer details, making credit easily available.
Ironically a key source of this credit were new types of 'finance companies' which would accept poorer securities from 'farmers, tradesmen, domestic servants, peers, and peasants’ a market that traditional money lenders did not do business with. These new finance companies were able to charge much higher interest rates and as the bankers bank, Overend Gurney provided the liquidity to these new finance companies. Unsurprisingly, defaults quickly rose as many of the new companies went bust. Overend Gurney began to feel the pressure and in 1865, in an effort to offset losses and increase liquidity, management at 'the bankers bank' decided to take the company public. Subsequently Overend Gurney was converted into a joint stock company under the new regulations but the banks management did not disclose the full extent of their liabilities to the public and regulators.
Laden with bad securities and unable to make calls to nervous shareholders, Overend Gurney began collapsing in the early months of 1866. In May 1866, the 'bankers bank' went into liquidation owing £11 million to shareholders and the public. As a result of the Overend Gurney collapse, nearly 300 companies including other banks also failed, causing one of the worst financial disasters in British history, forcing Parliament to suspend the Bank Charter Act. The directors at Overend Gurney were tried for fraud, but miraculously escaped prison. In fact the Gurney family, being one of the most respected banking dynasties in England survived the scandal sufficiently unscathed to become founding partners in Barclays Bank 30 years after the 1866 crash.
The Overend Guerney crash of 1866 was the last recorded bank run in the UK, before Northern Rock PLC lost over £2 billion, starting 14th September 2007. The similarities are scary.
Further Reading
Overend Guerney
1911 Encyclopedia
Spectator
Taylor
Northern Rock
Peston
Renthusiast