President Richard Nixon signed the US Endangered Species Act into law.
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Vladimir Putin signed a law banning the US adoption of Russian children.
NASA's James Webb Space Telescope began the multi-day process of unfurling its sunshield.
The first major rock festival held on America's east coast took place.
Scarlett Johansson made her debut on Broadway.
Hong Kong began to slaughter the city's 1.6 million chickens to stop the spread of an influenza strain.
