Franklin D. Roosevelt signed the Social Security Act, creating a government pension system for the retired.
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After being in construction for 632 years, the Cologne Cathedral was completed.
Pakistan gained independence from the British Empire – a day before India's independence.
A rainbow lasting three hours was recorded over the Gwynedd coast in Wales.
A major blackout occurred in the Northeastern and Midwestern US along with Ontario, Canada.
Venezuelan political terrorist Carlos the Jackal was captured in Sudan.
