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