Martin Luther King Jr. was arrested for a demonstration he was involved in during December 1961.
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Nazi forces moved on Britain for the first time after attacking shipping containers in the English Channel.
A chemical factory in Seveso, near Milan, Italy, exploded, covering surrounding areas in dioxin.
Erden Eruç began the world's first successful solo human-powered circumnavigation of the world.
West Virginia had its hottest day on record at a sweltering 112°F (44°C).
The Beatles' album 'VI' topped the Billboard charts at number one and stayed there for six weeks.