Galileo Galilei arrived in Rome for his trial before the Roman Inquisition.
He was eventually placed under house arrest.
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The Fontana dei Quattro Fiumi, a fountain, was unveiled in Rome.
Galileo Galilei discovered Callisto, the fourth moon of Jupiter.
Catholic church regrets its handling of Galileo Galilee's case.
The Trevi Fountain, one of Rome's most famous landmarks, was opened to the public by Pope Clement XIII.
Galileo discovered the first three satellites of Jupiter.