 Complete the following phrase:  The Vitulatio was an annual thanksgiving celebrated in ancient Rome on July 8, the day after the Nonae Caprotinae and following the Poplifugia on July 5. The Poplifugia is a lesser-known festival that was of obscure origin even for the Romans themselves; Macrobius says that it marked a Roman retreat from the Etruscans at Fidenae during the 