This was 181st day of the year and 184 days remained in the year.
June 30 in History
French acrobat Charles Blondin, AKA Jean Francois Gravelet, walked across Niagara Falls on a tightrope.
A powerful natural explosion from an unknown cause rocked the Tunguska Basin, in eastern Siberia, flattening hundreds of square miles of forest and resulting in tremors that could be felt hundreds of miles away.
Margaret Mitchell's Gone with the Wind was published.
The 26th Amendment, which lowered the voting age to 18, was ratified by the states.
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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.