The trial

Galileo talks to the judges of the Holy Office
Galileo renounces his theory on the Earth's movement before the judges of the Holy Office Rare Books. E-Pics Rar6511_04_007
Date
Event
21.02.1632Printing is stopped of the Dialogue concerning the two chief world systems, the Ptolemaic and the Copernican.
25.07.1632Father Riccardi writes to the Florentine inquisitor asking him to prohibit dissemination of the Dialogue.
23.09.1632The Pope orders Galileo to present himself in Rome in October.
17.12.1632Galileo receives a certificate, signed by three doctors, stating that he is unable to make the journey "due to an obvious and imminent danger to his life".
30.12.1632The Pope threatens Galileo that, if he does come to Rome immediately, he will be fetched by a commissioner, accompanied by doctors, and if necessary taken to the Holy Office's prison in chains.
20.01.1633Galileo finally makes the journey and arrives in Rome on the evening of 13 February – after a spell in quarantine due to the raging plague. He is allowed to be detained in the Tuscan embassy rather than in the Holy Office's prison.
12.04.1633He surrenders to the Holy Office and is interrogated for the first time.
30.04.1633He confesses to "errors" and expresses his willingness to add two more days to the Dialogue (but nothing in fact comes of this) in which he will refute Copernican theory.
21.06.1633He surrenders once again to the authorities of the Holy Office for further interrogation. This time he is detained.
22.06.1633He is taken to the great hall of the Dominican Convent of Santa Maria sopra Minerva where the formal judgment (imprisonment and prohibition of the Dialogue) is read out to him. Galileo then recants.
30.06.1633The Pope allows Galileo to go to the archbishopric of Siena.
01.12.1633The Pope grants Galileo lifelong house arrest in Galileo’s own country house in Arcetri near Florence.