The UN published a report revealing more than 200 mass graves found in ISIS-controlled regions of Iraq.
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The Richard Fairbanks Tavern and Post Office in Massachusetts became the first American colonial post office.
Richard Milhous Nixon won the election and became the 37th President of the United States.
New Delhi air pollution was declared a public emergency, causing the city to close many schools and construction sites.
The largest US underground bomb was detonated on Amchitka Island, a remote Alaskan island.
The first episode of Meet The Press, the longest-running American TV program, aired.