February 25

February 25 in History 138 – Roman emperor Hadrian adopts Antoninus Pius as his son, effectively making him his successor 628 – Khosrow II, the last great Shah of the Sasanian Empire (iran), is overthrown by his son Kavadh II…

For superstitious reasons, when the Romans began to intercalate to bring their calendar into line with the solar year, they chose not to place their extra month of Mercedonius after February but within it. February 24 — known in the Roman…