Pope Leo II became the bishop of Rome.
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Asaph Hall discovered Mars' second moon, called Phobos.
The Clermont steamboat by Robert Fulton made its maiden trip up the Hudson River.
A law was passed declaring that the 'Palestinian Pound' could be used as legal tender in Palestine and Israel.
A tropical cyclone hurricane hit Galveston in Texas.
The Bank of Italy opened in San Francisco, California, and would later become Bank of America.
