March 9:
A.D. 1497: Nicolaus Copernicus makes his first recorded astronomical observation.
A.D. 1562: Kissing in public becomes punishable by death in Napoli (Naples).
A.D. 1822: Charles Graham of New York patents false teeth.
March 10:
241 B.C.: The First Punic War ends with the Romans sinking the Carthaginian fleet in the battle of the Aegates Islands.
A.D. 418: Jews are banned from public office in the Roman Empire.
A.D. 1876: Alexander Graham Bell makes the first telephone call (to Thomas Watson).