The Prussian Confederation was formed.
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Gerald Holtom presented his peace symbol design to the British Direct Action Committee, who accepted it immediately.
The first telephone directory was issued, which consisted of a single card with 50 names and addresses in Connecticut, USA.
US President Barack Obama met with the Dalai Lama amid warnings from China.
US President Richard Nixon met with Chinese leader Mao Zedong in Beijing to finalize a peace deal between their two countries.
Edwin Land presented his Polaroid photo product, the world's first instant photos, in New York City.
