Which Roman Emperor is also known as 'Little Boot'?

Question

It is generally believed that which Ancient Roman festival, an archaic rite connected to fertility observed from 13 to 15 February, was converted by the Roman Catholic Church to honour the Virgin Mary which in turn became St Valentine's day?

Answer 1

Caligula, properly Gaius Julius Caesar Augustus Germanicus (31 August AD 12 – 24 January AD 41) was Roman emperor from AD 37–41. Born Gaius Julius Caesar Germanicus (not to be confused with Julius Caesar), Caligula was a member of the house of rulers conventionally known as the Julio-Claudian dynasty.