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Year 447 was a common year starting on Wednesday
Common year starting on Wednesday
This is the calendar for any common year starting on Wednesday, January 1 . Examples: Gregorian years 1986, 1997, 2003, 2014 and 2025or Julian year 1903 ....

 (link will display the full calendar) of the Julian calendar
Julian calendar
The Julian calendar began in 45 BC as a reform of the Roman calendar by Julius Caesar. It was chosen after consultation with the astronomer Sosigenes of Alexandria and was probably designed to approximate the tropical year .The Julian calendar has a regular year of 365 days divided into 12 months...

. At the time, it was known as the Year of the Consulship of Calepius and Ardabur (or, less frequently, year 1200 Ab urbe condita
Ab urbe condita
Ab urbe condita is Latin for "from the founding of the City ", traditionally set in 753 BC. AUC is a year-numbering system used by some ancient Roman historians to identify particular Roman years...

). The denomination 447 for this year has been used since the early medieval period, when the Anno Domini
Anno Domini
and Before Christ are designations used to label or number years used with the Julian and Gregorian calendars....

 calendar era
Calendar era
A calendar era is the year numbering system used by a calendar. For example, the Gregorian calendar numbers its years in the Western Christian era . The instant, date, or year from which time is marked is called the epoch of the era...

 became the prevalent method in Europe for naming years.

Eastern Roman Empire

  • Battle of the Utus
    Battle of the Utus
    The Battle of the Utus was fought in 447 between the army of the Eastern Roman Empire, and the Huns led by Attila at what is today the Vit river in Bulgaria...

    : Attila the Hun
    Attila the Hun
    Attila , more frequently referred to as Attila the Hun, was the ruler of the Huns from 434 until his death in 453. He was leader of the Hunnic Empire, which stretched from the Ural River to the Rhine River and from the Danube River to the Baltic Sea. During his reign he was one of the most feared...

     meets the Romans in an indecisive battle. The Huns invade the Balkans
    The Balkans is a geopolitical and cultural region of southeastern Europe...

     as far as Thermopylae
    Thermopylae is a location in Greece where a narrow coastal passage existed in antiquity. It derives its name from its hot sulphur springs. "Hot gates" is also "the place of hot springs and cavernous entrances to Hades"....

    . Serdica (Sofia
    Sofia is the capital and largest city of Bulgaria and the 12th largest city in the European Union with a population of 1.27 million people. It is located in western Bulgaria, at the foot of Mount Vitosha and approximately at the centre of the Balkan Peninsula.Prehistoric settlements were excavated...

    ) was destroyed during their invasion.
  • Earthquake
    An earthquake is the result of a sudden release of energy in the Earth's crust that creates seismic waves. The seismicity, seismism or seismic activity of an area refers to the frequency, type and size of earthquakes experienced over a period of time...

    s level most of the walls of Constantinople
    Walls of Constantinople
    The Walls of Constantinople are a series of defensive stone walls that have surrounded and protected the city of Constantinople since its founding as the capital of the Eastern Roman Empire by Constantine the Great...

    , which are rebuilt within sixty days.


  • Merovech
    Merovech is the semi-legendary founder of the Merovingian dynasty of the Salian Franks , which later became the dominant Frankish tribe. He allegedly lived in the first half of the fifth century. His name is a Latinization of a form close to the Old High German given name Marwig, lit. "famed...

     becomes king of the Franks
    The Franks were a confederation of Germanic tribes first attested in the third century AD as living north and east of the Lower Rhine River. From the third to fifth centuries some Franks raided Roman territory while other Franks joined the Roman troops in Gaul. Only the Salian Franks formed a...

  • The first English kingdom in Britain is created when Vortigern
    Vortigern , also spelled Vortiger and Vortigen, was a 5th-century warlord in Britain, a leading ruler among the Britons. His existence is considered likely, though information about him is shrouded in legend. He is said to have invited the Saxons to settle in Kent as mercenaries to aid him in...

     grants Thanet
    Thanet is a local government district of Kent, England which was formed under the Local Government Act 1972, and came into being on 1 April 1974...

     in Kent
    Kent is a county in southeast England, and is one of the home counties. It borders East Sussex, Surrey and Greater London and has a defined boundary with Essex in the middle of the Thames Estuary. The ceremonial county boundaries of Kent include the shire county of Kent and the unitary borough of...

     to the Saxon
    The Saxons were a confederation of Germanic tribes originating on the North German plain. The Saxons earliest known area of settlement is Northern Albingia, an area approximately that of modern Holstein...

     leader Hengist.

Arts and sciences

  • The first entry in the Annales Cambri√¶
    Annales Cambriae
    Annales Cambriae, or The Annals of Wales, is the name given to a complex of Cambro-Latin chronicles deriving ultimately from a text compiled from diverse sources at St David's in Dyfed, Wales, not later than the 10th century...

     refers to this year.


  • Flavian becomes bishop of Constantinople.
  • The Synod of Toledo tries to add the filioque clause
    Filioque clause
    Filioque , Latin for "and the Son", is a phrase found in the form of Nicene Creed in use in the Latin Church. It is not present in the Greek text of the Nicene Creed as originally formulated at the First Council of Constantinople, which says only that the Holy Spirit proceeds "from the Father":The...

     to the Nicene Creed
    Nicene Creed
    The Nicene Creed is the creed or profession of faith that is most widely used in Christian liturgy. It is called Nicene because, in its original form, it was adopted in the city of Nicaea by the first ecumenical council, which met there in the year 325.The Nicene Creed has been normative to the...

    . The Greek Church refuses to go along with the idea.