December 28th celebrates Call A Friend Day and Card Playing Day.
NASA's James Webb Space Telescope began the multi-day process of unfurling its sunshield.
Vladimir Putin signed a law banning the US adoption of Russian children.
Scarlett Johansson made her debut on Broadway.
LinkedIn was founded by Reid Hoffman and the founding team members from PayPal and Socialnet.com.
Hong Kong began to slaughter the city's 1.6 million chickens to stop the spread of an influenza strain.
Andrea Bocelli made his classical debut singing at a concert at Teatro Romolo Valli in Reggio Emilia.
The first American test-tube baby, Elizabeth Jordan Carr, was born in Norfolk, Virginia.
President Richard Nixon signed the US Endangered Species Act into law.
The first major rock festival held on America's east coast took place.
Muriel Siebert became the first woman to own a seat on New York Stock Exchange.
Iowa became the 29th state to join the United States of America.
The Westminster Abbey in London was consecrated.