This was 295th day of the year and 71 days remained in the year.
October 21 in History
The navy frigate U.S. Constitution, known as "Old Ironsides," was launched in Boston Harbor.
Thomas Edison invented a workable incandescent electric lamp.
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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.