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678
__NOTOC__ Year 678 (Roman numerals, DCLXXVIII) was a common year starting on Friday (link will display the full calendar) of the Julian calendar. The denomination 678 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years. Events By place Byzantine Empire * July 27 – The Siege of Thessalonica (676–678) ends, when the ''Sclaveni'' withdraw. * Autumn – Siege of Constantinople (674–78)#Arab attacks and related expeditions in 674–678, Siege of Constantinople: Emperor Constantine IV confronts the Arabs, Arab besiegers in a head-on engagement. The Byzantine navy, Byzantine fleet, equipped with Greek fire, destroys the Muslim fleet at Sillyon#Byzantine period, Sillyon, ending the Arab threat to Europe, and forcing Yazid I, Yazid (a son of caliph Muawiyah I) to lift the siege on land and sea. The victory also frees up forces that are sent to raise the Siege of Thessa ...
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Siege Of Thessalonica (676–678)
The siege of Thessalonica in 676–678 was an attempt by the local Sclaveni, Slavic tribes to capture the Byzantine Empire, Byzantine city of Thessalonica, taking advantage of the preoccupation of the Byzantine Empire with the repulsion of the First Arab Siege of Constantinople. The events of the siege are described in the second book of the ''Miracles of Saint Demetrius''. Background In the reign of Justinian I (), Early Slavs, Slavic tribes (''Sclaveni'') had already appeared on the Danube frontier of the Byzantine Empire. Over the next few decades, they raided into Diocese of Thrace, Thrace and praetorian prefecture of Illyricum, Illyricum, while at times serving as mercenaries in the Byzantine army. From the 560s, the Slav communities came under the control of the newly established Avar Khaganate. Raids became larger and resulted in permanent settlement, especially as the Avars were able to capture fortified cities, leading to loss of imperial control over the surrounding areas ...
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Muawiyah I
Mu'awiya I ( ar, معاوية بن أبي سفيان, Muʿāwiya ibn Abī Sufyān; –April 680) was the founder and first caliph of the Umayyad Caliphate, ruling from 661 until his death. He became caliph less than thirty years after the death of the Islamic prophet Muhammad and immediately after the four Rashidun ('rightly-guided') caliphs. Unlike his predecessors, who had been close, early companions of Muhammad, Mu'awiya was a relatively late follower of the Islamic prophet. Mu'awiya and his father Abu Sufyan had opposed Muhammad, their distant Qurayshite kinsman and later Mu'awiya's brother-in-law, until Muhammad captured Mecca in 630. Afterward, Mu'awiya became one of Muhammad's scribes. He was appointed by Caliph Abu Bakr () as a deputy commander in the conquest of Syria. He moved up the ranks through Umar's caliphate () until becoming governor of Syria during the reign of his Umayyad kinsman, Caliph Uthman (). He allied with the province's powerful Banu Kalb tribe, ...
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Princess Tōchi
was a Japanese Imperial House of Japan, Imperial princess during the Asuka period of Japanese history and the empress consort to her cousin Emperor Kōbun. Her name Tōchi is derived from the Tōchi district, a neighbourhood located a few miles north of Asuka. Princess Tōchi was daughter of Emperor Tenmu and Princess Nukata. She married Prince Ōtomo, who became Emperor Kōbun. They lived in the capital of Ōtsu in the Ōmi Province (currently Ōtsu, Shiga, Ōtsu, Shiga). He succeeded after his father, Emperor Tenji, died. She subsequently was Empress-consort until Emperor Kōbun was killed by her father in the Jinshin War. After the war, she returned to Asuka and lived with her mother and her son in the Asuka Kiyomihara palace. In 675 she visited the Ise Grand Shrine with Empress Genmei, Princess Abe. In 678, she was appointed a Saiō by Onmyōdō, divination and was supposed to leave her residence to stay in Saikū (斎宮) in the 7th day of the 4th month, when she suddenly ...
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Constantine IV
Constantine IV ( la, Constantinus; grc-gre, Κωνσταντῖνος, Kōnstantînos; 650–685), called the Younger ( la, iunior; grc-gre, ὁ νέος, ho néos) and sometimes incorrectly the Bearded ( la, Pogonatus; grc-gre, Πωγωνᾶτος, Pōgōnãtos) out of confusion with his father, was Eastern Roman emperor from 668 to 685. His reign saw the first serious check to nearly 50 years of uninterrupted Islamic expansion, most notable when he successfully defended Constantinople from the Arabs. His calling of the Sixth Ecumenical Council saw the end of the monothelitism controversy in the Byzantine Empire; for this, he is venerated as a saint in the Eastern Orthodox Church, with his feast day on September 3.September 3/September 16
Orthodox Calendar (PRAVOSLAVIE.RU).


Early career

The ...
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Pope Agatho
Pope Agatho (died January 681) served as the bishop of Rome from 27 June 678 until his death. He heard the appeal of Wilfrid of York, who had been displaced from his see by the division of the archdiocese ordered by Theodore of Canterbury. During Agatho's tenure, the Sixth Ecumenical Council was convened to deal with monothelitism. He is venerated as a saint by both the Catholic and Eastern Orthodox churches. Early life Little is known of Agatho before his papacy but he may have been among the many Sicilian clergy in Rome at that time, due to the Caliphate's attacks on Sicily in the mid-7th century. He served several years as treasurer of the church of Rome. He succeeded Donus in the pontificate.Butler, Alban. "St. Agatho, Pope", ''The Lives of the Saints'', Vol. I, 1866
Butler spe ...
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Onmyōdō
is a system of natural science, astronomy, almanac, divination and Magic (supernatural), magic that developed independently in Japan based on the Chinese philosophies of yin and yang and Wuxing (Chinese philosophy), wuxing (five elements). The philosophy of yin and yang and wu xing was introduced to Japan at the beginning of the 6th century, and, influenced by Taoism, Buddhism, and Confucianism, evolved into the earliest system of ''Onmyōdō'' around the late 7th century. In 701, the Taiho Code established the departments and posts of ''onmyōji'' who practiced ''Onmyōdō'' in the Imperial Court, and ''Onmyōdō'' was institutionalized. From around the 9th century during the Heian period, ''Onmyōdō'' interacted with Shinto and in Japan, and developed into a system unique to Japan. Abe no Seimei, who was active during Heian period, is the most famous ''onmyōji'' (''Onmyōdō'' practitioner) in Japanese history and has appeared in various Japanese literature in later years. '' ...
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Siege Of Constantinople (674–78)
The following is a list of sieges of Constantinople, a historic city located in an area which is today part of Istanbul, Turkey. The city was built on the land that links Europe to Asia through Bosporus and connects the Sea of Marmara and the Black Sea. As a transcontinental city within the Silk Road, Constantinople had a strategic value for many empires and kingdoms who tried to conquer it throughout history. Originally known as Byzantium in classical antiquity, the first recorded siege of the city occurred in 510 BC by the Achaemenid Empire under the command of Otanes. Following this successful siege, the city fell under the rule of Persians until it won its independence again and, around 70 BC, it became part of the Roman Republic, which was succeeded by the Roman Empire. Despite being part of Rome, it was a free city until it became under siege by Septimius Severus between 193–196 and was partially sacked during the civil war. After it was captured by Constantine the Great ...
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Thessalonica
Thessaloniki (; el, Θεσσαλονίκη, , also known as Thessalonica (), Saloniki, or Salonica (), is the second-largest city in Greece, with over one million inhabitants in its metropolitan area, and the capital of the geographic region of Macedonia, the administrative region of Central Macedonia and the Decentralized Administration of Macedonia and Thrace. It is also known in Greek as (), literally "the co-capital", a reference to its historical status as the () or "co-reigning" city of the Byzantine Empire alongside Constantinople. Thessaloniki is located on the Thermaic Gulf, at the northwest corner of the Aegean Sea. It is bounded on the west by the delta of the Axios. The municipality of Thessaloniki, the historical center, had a population of 317,778 in 2021, while the Thessaloniki metropolitan area had 1,091,424 inhabitants in 2021. It is Greece's second major economic, industrial, commercial and political centre, and a major transportation hub for Greece and south ...
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Byzantine Navy
The Byzantine navy was the naval force of the East Roman or Byzantine Empire. Like the empire it served, it was a direct continuation from its Imperial Roman predecessor, but played a far greater role in the defence and survival of the state than its earlier iteration. While the fleets of the unified Roman Empire faced few great naval threats, operating as a policing force vastly inferior in power and prestige to the legions, the sea became vital to the very existence of the Byzantine state, which several historians have called a "maritime empire". The first threat to Roman hegemony in the Mediterranean was posed by the Vandals in the 5th century, but their threat was ended by the wars of Justinian I in the 6th century. The re-establishment of a permanently maintained fleet and the introduction of the dromon galley in the same period also marks the point when the Byzantine navy began departing from its late Roman roots and developing its own characteristic identity. This process ...
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May 3
Events Pre-1600 * 752 – Mayan king Bird Jaguar IV of Yaxchilan in modern-day Chiapas, Mexico, assumes the throne. * 1481 – The largest of three earthquakes strikes the island of Rhodes and causes an estimated 30,000 casualties. *1491 – Kongo monarch Nkuwu Nzinga is baptised by Portuguese missionaries, adopting the baptismal name of João I. *1568 – Angered by the brutal onslaught of Spanish troops at Fort Caroline, a French force burns the San Mateo fort and massacres hundreds of Spaniards. 1601–1900 * 1616 – Treaty of Loudun ends a French civil war. * 1715 – A total solar eclipse is visible across northern Europe and northern Asia, as predicted by Edmond Halley to within four minutes accuracy. * 1791 – The Constitution of May 3 (the first modern constitution in Europe) is proclaimed by the Sejm of Polish–Lithuanian Commonwealth. * 1802 – Washington, D.C. is incorporated as a city after Congress abolishes the Board ...
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Sillyon
Sillyon ( el, Σίλλυον), also Sylleion (Σύλλειον), in Byzantine times Syllaeum or Syllaion (), was an important fortress and city near Attaleia in Pamphylia, on the southern coast of modern Turkey. The native Greco-Pamphylian form was Selywiys, possibly deriving from the original Hittite Sallawassi. Its modern Turkish names are Yanköy Hisarı or Asar Köy.Gernot (2003), p. 439 Antiquity Throughout Antiquity, the city was relatively unimportant. According to one legend, the city was founded as a colony from Argos, while another holds that it was founded, along with Side and Aspendos, by the seers Mopsos, Calchas and Amphilochus after the Trojan War.Gernot (2003), p. 442 The city is first mentioned in c. 500 BC by Pseudo-Scylax (''polis Sylleion''). From 469 BC, the city (as Sillyon) became part of the Athenian-led Delian League. It is mentioned in the Athenian tribute lists in c. 450 BC and again in 425 BC, and then disappears again from the historical record unt ...
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Greek Fire
Greek fire was an incendiary weapon used by the Eastern Roman Empire beginning . Used to set fire to enemy ships, it consisted of a combustible compound emitted by a flame-throwing weapon. Some historians believe it could be ignited on contact with water, and was probably based on naphtha and quicklime. The Byzantines typically used it in naval battles to great effect, as it could continue burning while floating on water. The technological advantage it provided was responsible for many key Byzantine military victories, most notably the salvation of Constantinople from the first and second Arab sieges, thus securing the empire's survival. The impression made by Greek fire on the western European Crusaders was such that the name was applied to any sort of incendiary weapon, including those used by Arabs, the Chinese, and the Mongols. However, these mixtures used formulas different from that of Byzantine Greek fire, which was a closely guarded state secret. Byzantines also used ...
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