Piacenza, Italy — Late December 1456
Four unknowns
In the Annali Piacentini of Antonio da Ripalta, we read of the apparition “of four wonderful stars that proceeded directly from the east to the west and were positioned almost in the sign of a cross.”
Source: U. Dall’Olmo, “Meteors, meteor showers and meteorites in the Middle Ages,” Journal for the History of Astronomy 9, 1978. 146. Case: W096