Anastasius I or Anastasios I may refer to:

* Pope Anastasius I ( died 401 ), pope from November 27, 399 to 401

et: Anastasius I

id: Anastasius I

la: Anastasius I

nl: Anastasius I

no: Anastasius I

fi: Anastasius I

tl: Anastasius I

* Anastasius I ( emperor ) – Byzantine emperor 491 – 518

* Pope Anastasius I – Pope 399 – 401

* Astrik or Saint Anastasius of Pannonhalma – ambassador of Stephen I of Hungary ( d. 1030 )

* Patriarch Anastasius of Constantinople ( I ) – Patriarch of Constantinople 730 – 754

* 491 – Flavius Anastasius becomes Byzantine Emperor, with the name of Anastasius I.

At the Istanbul Archaeological Museum a marble plate contains a law by the Byzantine Emperor Anastasius I ( 491-518 AD ), that regulated fees for passage through the customs office of the Dardanelles ( see image to the right ).

** Pope Anastasius I

Pope Gelasius I was the first pope recorded as enjoying diplomatic immunity, as it is noted in his letter Duo sunt to emperor Anastasius.

In naval warfare, the fleet of the Byzantine Emperor Anastasius I ( r. 491 – 518 ) is recorded by the chronicler John Malalas as having utilized a sulphur-based mixture to defeat the revolt of Vitalian in AD 515, following the advice of a philosopher from Athens called Proclus.

Hildegard communicated with popes such as Eugene III and Anastasius IV, statesmen such as Abbot Suger, German emperors such as Frederick I Barbarossa, and other notable figures such as Saint Bernard of Clairvaux, who advanced her work, at the behest of her abbot, Kuno, at the Synod of Trier in 1147 and 1148.

The Barberini Ivory, which is thought to portray either Justinian or Anastasius I

Monophysite doctrine had been condemned as a heresy by the Council of Chalcedon in 451, and the tolerant policies towards Monophysitism of Zeno and Anastasius I had been a source of tension in the relationship with the bishops of Rome.

At the start of Justinian I's reign he had inherited a surplus 28, 800, 000 solidi ( 400, 000 pounds of gold ) in the imperial treasury from Anastasius I and Justin I.

They forced him to dismiss Tribonian and two of his other ministers, and then attempted to overthrow Justinian himself and replace him by the senator Hypatius, who was a nephew of the late emperor Anastasius.

Like his predecessor Nicholas I, Adrian was forced to submit in temporal affairs to the interference of the emperor Louis II, who placed him under the surveillance of Arsenius, bishop of Orte, his confidential adviser, and Arsenius ' nephew Anastasius, the librarian.

* Riots erupt in the streets of Antioch between supporters of patriarch Flavian II and emperor Anastasius I in sympathy of Non-Chalcedonianism.

Emperor Anastasius I ( emperor ) | Anastasius I ( 491 – 518 )

* Isaurian War: The Isaurians begin a revolt against emperor Anastasius I in southern Central Anatolia.

Like his predecessors, the pope opposes the Byzantine emperor Anastasius I efforts to establish Miaphysite doctrine.

* Revolt of Vitalian: Vitalian, Byzantine general, revolts against emperor Anastasius I and conquers a large part of the Diocese of Thrace.

* July 9 – Anastasius I, Byzantine emperor

* The Byzantine emperor Leo III the Isaurian orders the execution of the ex-emperor Anastasius II.

* Byzantine Emperor Philippicus is deposed ; Anastasius II is made emperor.

The emperor Anastasius took the first steps to resolve this schism pressured by Vitalian, the commander of the imperial cavalry, who, having taken up the cause of orthodoxy, led Thracia, Scythia Minor, and Mysia to revolt, and marched with an army of Huns and Bulgarians to the gates of Constantinople.

Relations between Symmachus and the emperor Anastasius had been virtually non-existent ".

When the thematic troops rebelled against Emperor Anastasius II, he was chosen as emperor.

Of the former, his panegyric on the emperor Anastasius alone is extant ; the description of the Hagia Sophia and the monody on its partial destruction by an earthquake are spurious.

However, the population of Constantinople considered the Isaurians as barbarians, and emperor Anastasius I had to fight a long war against Isaurian rebels ( Isaurian War, 492-497 ).

Thus, the Samaritans rebelled again under the rule of emperor Anastasius I, reoccupying Mount Gerizim, which was subsequently reconquered by the Byzantine governor of Edessa, Procopius.

He endeavoured to please both parties by steering a middle course in reference to the Chalcedon decrees, but was induced after great hesitation to agree to the request of Anastasius that he should accept the Henotikon, or decree of union, issued by the emperor Zeno.

The Acacian schism lasted through the long and troubled reign of the Byzantine emperor Anastasius I, and was only healed by Justin I under Pope Hormisdas in 519.

They then declared a new emperor, Hypatius, who was a nephew of former Emperor Anastasius I.

It was the birthplace of the emperor Anastasius I in circa 430.