Franklin D. Roosevelt signed the Social Security Act, creating a government pension system for the retired.
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Congress created the Oregon Territory, which included Oregon, Washington, Idaho, and Western Montana.
The first-ever Japanese patent was issued.
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.
A rainfall survey named 'It is raining plastic' announced that tiny plastic particles were found in 90% of rain samples in Colorado, US.
