US President Barack Obama met with the Dalai Lama amid warnings from China.
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The USSR's uncrewed Luna 20 lunar lander successfully touched down on the surface of the Moon.
Edwin Land presented his Polaroid photo product, the world's first instant photos, in New York City.
The Prussian Confederation was formed.
Gerald Holtom presented his peace symbol design to the British Direct Action Committee, who accepted it immediately.
The first issue of 'The New Yorker' was published.
