George Hancock, who invented softball, played the first match in Chicago.
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The very first Chick-fil-A restaurant opened in Atlanta's Greenbriar Mall.
Psy's 'Gangnam Style' music video became the most viewed video on YouTube, passing 800 million views.
An international research team published their discovery of 1,500 new viruses that were in invertebrates in Australia and China.
Ireland ended its ban on divorce.
A catastrophic landslide on Mont Granier destroyed five villages.
