Rome

2/13 — Galileo Galilei arrives in Rome for his trial before the Inquisition.

3/21 — With the church leadership driven out of Rome during an armed conflict, Pius VII is crowned Pope in Venice with a temporary papal tiara made of papier-mâché.

1/6 — Maria Montessori opens her first school and daycare center for working class children in Rome, Italy.

12/27 — Palästinensische Guerilla kämpfen in den Flughäfen Roms, Italien, und Wiens, Österreich, und töten dort achtzehn Menschen.

8/24 — An earthquake strikes Central Italy with a magnitude of 6.2, with aftershocks felt as far as Rome and Florence.

12/25 — A temple for Sol Invictus is dedicated in Rome by Emperor Aurelian.

4/28 — Emperor Constantius II enters Rome for the first time to celebrate his victory over Magnus Magnentius.

7/2 — Emperor Valentinian III begins his reign over the Western Roman Empire. His mother Galla Placidia ends her regency, but continues to exercise political influence at the court in Rome.

6/15 — Louis II is crowned as king of Italy at Rome by pope Sergius II.

5/18 — Louis II of Italy is crowned for the second time as Roman Emperor at Rome, at the age of 47. His first coronation was 28 years earlier, in 844, during the reign of his father Lothair I.

2/13 — Emperor Otto I and Pope John XII co-sign the Diploma Ottonianum, recognizing John as ruler of Rome.

11/6 — Synod of Rome: Emperor Otto I calls a council at St. Peter's Basilica in Rome. Pope John XII is deposed on charges of a armed rebellion against Otto.

12/6 — Pope Leo VIII is appointed to the office of Protonotary and begins his papacy as antipope of Rome.

4/14 — Co-Emperor Otto II, a son of Otto I (the Great), marries the Byzantine princess Theophanu. She is crowned empress by Pope John XIII at Rome.

12/16 — John VIII, pope of Rome