The Prussian Confederation was formed.
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Malcolm X was assassinated in New York City, USA.
Edwin Land presented his Polaroid photo product, the world's first instant photos, in New York City.
The first telephone directory was issued, which consisted of a single card with 50 names and addresses in Connecticut, USA.
US President Richard Nixon met with Chinese leader Mao Zedong in Beijing to finalize a peace deal between their two countries.
Saint Francis Xavier Church in Baltimore, Maryland, became the first church exclusively for blacks in the US.
