The first telephone directory was issued, which consisted of a single card with 50 names and addresses in Connecticut, USA.
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US President Richard Nixon met with Chinese leader Mao Zedong in Beijing to finalize a peace deal between their two countries.
Malcolm X was assassinated in New York City, USA.
The first issue of 'The New Yorker' was published.
US President Barack Obama met with the Dalai Lama amid warnings from China.
The Prussian Confederation was formed.