Ab urbe condita or Anno urbis conditae (abbreviated: A.U.C. or AUC) is a convention that was used in antiquity and by classical historians to refer to a given year in Ancient Rome.
The terms anno Domini (AD) and before Christ (BC) are used to label or number years in the Julian and Gregorian calendars.
Beli Mawr ("Beli the Great") was an ancestor figure in Middle Welsh literature and genealogies.
A calendar era is the year numbering system used by a calendar.
Herod (Greek:, Hērōdēs; 74/73 BCE – c. 4 BCE/1 CE), also known as Herod the Great and Herod I, was a Roman client king of Judea, referred to as the Herodian kingdom.
The Roman calendar was the calendar used by the Roman kingdom and republic.
The Shunga Empire (IAST) was an ancient Indian dynasty from Magadha that controlled areas of the central and eastern Indian subcontinent from around 187 to 78 BCE.
Year 4 BC was a common year starting on Tuesday or Wednesday (link will display the full calendar) of the Julian calendar (the sources differ, see leap year error for further information) and a common year starting on Monday of the Proleptic Julian calendar.