TIMELINE-Biggest falls in UK blue chip stocks

(Reuters) - The FTSE 100 share index slumped more than 9 percent by mid afternoon on Friday in a global sell-off as investors feared government efforts to unclog liquidity strains would not avert a global recession.

Following is a summary of the biggest falls in the FTSE 100 or its equivalent in the last 70 years:

Mar 16, 1938 - Britain's top index falls by 5.4 percent in the wake of fears of war and rising taxes.

Sept 26, 1938 - Top shares sink 5.4 percent as tensions over diplomacy which will lead up to World War Two affects the markets.

May 28, 1962 - The top index falls by 6.4 percent following the U.S. steel industry's woes.

Dec 6, 1973 - The index registers 5.5 percent fall as oil shock affects global markets with rising prices.

Dec 14, 1973 - Top stocks fall by 5.4 percent as markets continue to move downward in the wake of oil price rises following war in the Middle East.

Mar 1, 1974 - Markets react adversely to Labour election win, losing 7.3 percent.

Jan 2, 1975 - Top shares fall by 6.4 percent following the tripling of world oil prices.