Hong Kong began to slaughter the city’s 1.6 million chickens to stop the spread of an influenza strain.
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Scarlett Johansson made her debut on Broadway.
The first American test-tube baby, Elizabeth Jordan Carr, was born in Norfolk, Virginia.
Andrea Bocelli made his classical debut singing at a concert at Teatro Romolo Valli in Reggio Emilia.
President Richard Nixon signed the US Endangered Species Act into law.
The first major rock festival held on America's east coast took place.
