President Richard Nixon signed the US Endangered Species Act into law.
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NASA's James Webb Space Telescope began the multi-day process of unfurling its sunshield.
Andrea Bocelli made his classical debut singing at a concert at Teatro Romolo Valli in Reggio Emilia.
The first major rock festival held on America's east coast took place.
LinkedIn was founded by Reid Hoffman and the founding team members from PayPal and Socialnet.com.
The Westminster Abbey in London was consecrated.
