This was 88th day of the year and 277 days remained in the year.
For the first time in recorded history, Niagara Falls stopped flowing. An ice jam in the Niagara River above the rim of the falls caused the water to stop.
Julius and Ethel Rosenberg were found guilty of passing atomic secrets to the Russians and were sentenced to death.
Lt. William Calley was convicted of murdering 22 Vietnamese civilians in the My Lai massacre.
The last U.S. troops left South Vietnam.
The Dow Jones industrial average closed above 10,000 for the first time, at 10,006.78.
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Note: Dates in the Islamic calendar are provided for planning purposes only, and calculated with the hdate Islamic calendar program for moonrise in Boston, Masschusetts. Depending on your location and other factors, this result may differ from actual religious observances by one day. Please consult your local religious authority for any religious determinations of hejiric date.