What is 40?
{{dablink|This page is about the year 40. For the actual number, see [[40 (number)]].}} {{year nav|40}} {{Year in other calendars}} Year '''40''' ('''[[Roman numerals|XL]]''') was a [[leap year starting on Friday]] of the [[Julian calendar]]. At the time, it was known as the '''Year of the [[Roman consul|Consulship]] of [[Augustus]] without colleague'''. == Events == === Roman Empire === * The emperor [[Caligula]] is [[Roman consul|consul]] without colleague. * Caligula starts a campaign to conquer [[Great Britain|Britain]]. It fails miserably. He names himself the winner. * [[Noricum]] and [[Mauretania]] are added into the [[Roman Empire]]. * Caligula reforms the principatus into a [[Hellenistic civilization|Hellenistic]] [[Autocracy]]. He distributes honors carelessly, declares himself a god and orders that all the heads of the Greek deity statues be replaced by his. According to legend, this is when he appointed his horse, [[Incitatus]], a senator. * Approximate date of start of construction on the [[Pont du Gard]] [[Roman aqueduct|aqueduct]] in [[Gallia Narbonensis]]. * [[Philo]] teaches that all men are born free. * An early Christian church is erected at [[Roman Corinth|Corinth]] (most probable date). === Europe === * The Germanic [[Quadi]] tribe begin settling in present-day [[Moravia]] and [[Slovakia]]. === Asia === * [[Vardanes I of Parthia|Vardanes I]] becomes king of [[Parthia]]. He was opposed by his brother [[Gotarzes II of Parthia|Gotarzes II]]. * The [[Vietnam]]ese [[Trung sisters]] rebel against the rule of the [[China|Chinese]] [[Emperor Guangwu of Han]]. === Africa === * [[Christianity]] comes to [[Egypt]]. [[Mark the Evangelist]] founds the [[Coptic Orthodox Church of Alexandria|Coptic Orthodox Church]] as the first pope. == Births == * [[July 13]] &ndash; [[Gnaeus Julius Agricola]], [[List of Roman governors of Britain|Roman governor of Britain]] (d. [[93 AD]]) * [[Pedanius Dioscorides]], [[Greece|Greek]] [[physician]] (approximate date) (d. [[90 AD]]) * [[Frontinus]], [[Roman Empire