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1970 In Diving
Year 197 ( CXCVII) was a common year starting on Saturday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Magius and Rufinus (or, less frequently, year 950 ''Ab urbe condita''). The denomination 197 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 Roman Empire * February 19 – Battle of Lugdunum: Emperor Septimius Severus defeats the self-proclaimed emperor Clodius Albinus at Lugdunum (modern Lyon). Albinus commits suicide; legionaries sack the town. * Septimius Severus returns to Rome and has about 30 of Albinus's supporters in the Senate executed. After his victory he declares himself the adopted son of the late Marcus Aurelius. * Septimius Severus forms new naval units, manning all the triremes in Italy with heavily armed troops for war in the East. His soldier ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Roman Numerals
Roman numerals are a numeral system that originated in ancient Rome and remained the usual way of writing numbers throughout Europe well into the Late Middle Ages. Numbers are written with combinations of letters from the Latin alphabet, each letter with a fixed integer value, modern style uses only these seven: The use of Roman numerals continued long after the decline of the Roman Empire. From the 14th century on, Roman numerals began to be replaced by Arabic numerals; however, this process was gradual, and the use of Roman numerals persists in some applications to this day. One place they are often seen is on clock faces. For instance, on the clock of Big Ben (designed in 1852), the hours from 1 to 12 are written as: The notations and can be read as "one less than five" (4) and "one less than ten" (9), although there is a tradition favouring representation of "4" as "" on Roman numeral clocks. Other common uses include year numbers on monuments and buildings and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Marcus Aurelius
Marcus Aurelius Antoninus (Latin: áːɾkus̠ auɾέːli.us̠ antɔ́ːni.us̠ English: ; 26 April 121 – 17 March 180) was Roman emperor from 161 to 180 AD and a Stoic philosopher. He was the last of the rulers known as the Five Good Emperors (a term coined some 13 centuries later by Niccolò Machiavelli), and the last emperor of the Pax Romana, an age of relative peace and stability for the Roman Empire lasting from 27 BC to 180 AD. He served as Roman consul in 140, 145, and 161. Marcus Aurelius was born during the reign of Hadrian to the emperor's nephew, the praetor Marcus Annius Verus, and the heiress Domitia Calvilla. His father died when he was three, and his mother and grandfather raised him. After Hadrian's adoptive son, Aelius Caesar, died in 138, the emperor adopted Marcus's uncle Antoninus Pius as his new heir. In turn, Antoninus adopted Marcus and Lucius, the son of Aelius. Hadrian died that year, and Antoninus became emperor. Now heir to the throne, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ctesiphon
Ctesiphon ( ; Middle Persian: 𐭲𐭩𐭮𐭯𐭥𐭭 ''tyspwn'' or ''tysfwn''; fa, تیسفون; grc-gre, Κτησιφῶν, ; syr, ܩܛܝܣܦܘܢThomas A. Carlson et al., “Ctesiphon — ܩܛܝܣܦܘܢ ” in The Syriac Gazetteer last modified July 28, 2014, http://syriaca.org/place/58.) was an ancient city, located on the eastern bank of the Tigris, about southeast of present-day Baghdad. Ctesiphon served as a royal capital of the empires in the Parthian and Sasanian eras for over eight hundred years. Ctesiphon was capital of the Sasanian Empire from 226–637 until the Muslim conquest of Persia in 651 AD. Ctesiphon developed into a rich commercial metropolis, merging with the surrounding cities along both shores of the river, including the Hellenistic city of Seleucia. Ctesiphon and its environs were therefore sometimes referred to as "The Cities" (Aramaic: ''Mahuza'', ar, المدائن, '' al-Mada'in''). In the late sixth and early seventh century, it was listed as ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mesopotamia
Mesopotamia ''Mesopotamíā''; ar, بِلَاد ٱلرَّافِدَيْن or ; syc, ܐܪܡ ܢܗܪ̈ܝܢ, or , ) is a historical region of Western Asia situated within the Tigris–Euphrates river system, in the northern part of the Fertile Crescent. Today, Mesopotamia occupies modern Iraq. In the broader sense, the historical region included present-day Iraq and Kuwait and parts of present-day Iran, Syria and Turkey. The Sumerians and Akkadians (including Assyrians and Babylonians) originating from different areas in present-day Iraq, dominated Mesopotamia from the beginning of written history () to the fall of Babylon in 539 BC, when it was conquered by the Achaemenid Empire. It fell to Alexander the Great in 332 BC, and after his death, it became part of the Greek Seleucid Empire. Later the Arameans dominated major parts of Mesopotamia (). Mesopotamia is the site of the earliest developments of the Neolithic Revolution from around 10,000 BC. It has been identi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Roman Army
The Roman army (Latin: ) was the armed forces deployed by the Romans throughout the duration of Ancient Rome, from the Roman Kingdom (c. 500 BC) to the Roman Republic (500–31 BC) and the Roman Empire (31 BC–395 AD), and its medieval continuation, the Eastern Roman Empire. It is thus a term that may span approximately 2,205 years (753 BC–1453 AD), during which the Roman armed forces underwent numerous permutations in size, composition, organisation, equipment and tactics, while conserving a core of lasting traditions. Historical overview Early Roman army (c. 500 BC to c. 300 BC) The early Roman army was the armed forces of the Roman Kingdom and of the early Roman Republic. During this period, when warfare chiefly consisted of small-scale plundering raids, it has been suggested that the army followed Etruscan or Greek models of organisation and equipment. The early Roman army was based on an annual levy. The army consisted of 3,000 infantrymen and 300 cavalrymen, all of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Parthia
Parthia ( peo, 𐎱𐎼𐎰𐎺 ''Parθava''; xpr, 𐭐𐭓𐭕𐭅 ''Parθaw''; pal, 𐭯𐭫𐭮𐭥𐭡𐭥 ''Pahlaw'') is a historical region located in northeastern Greater Iran. It was conquered and subjugated by the empire of the Medes during the 7th century BC, was incorporated into the subsequent Achaemenid Empire under Cyrus the Great in the 6th century BC, and formed part of the Hellenistic Seleucid Empire following the 4th-century-BC conquests of Alexander the Great. The region later served as the political and cultural base of the Eastern Iranian Parni people and Arsacid dynasty, rulers of the Parthian Empire (247 BC – 224 AD). The Sasanian Empire, the last state of pre-Islamic Iran, also held the region and maintained the seven Parthian clans as part of their feudal aristocracy. Name The name "Parthia" is a continuation from Latin ', from Old Persian ', which was the Parthian language self-designator signifying "of the Parthians" who were an Iranian ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Legio III Parthica
Legio III Parthica ("Parthian-conquering Third Legion") was a legion of the Imperial Roman army founded in AD 197 by the emperor Septimius Severus (r. 193–211) for his campaign against the Parthian Empire, hence the cognomen ''Parthica''. The legion was still active in the Eastern provinces in the early 5th century. The legion's symbol was probably a bull. Foundation Together with its sister legions I ''Parthica'' and II ''Parthica'', the third Parthian legion was levied for the attack on the eastern frontier. The campaign was a success and Ctesiphon, the Parthian capital, was taken and sacked. III ''Parthica'' remained in the region afterwards, garrisoning the new province of Mesopotamia. Their main base camp was Rhesaena, where they had the duty of securing the main roads and protect the province against the Sassanids. Against the Sassanids During the 3rd century, III ''Parthica'' took part in several other campaigns against the Sassanids; even if there are few direct ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Legio II Parthica
Legio II Parthica ("Parthian-conquering Second Legion") was a legion of the Imperial Roman army founded in AD 197 by the emperor Septimius Severus (r. 193–211), for his campaign against the Parthian Empire, hence the ''cognomen'' ''Parthica''. The legion was still active in the beginning of the 5th century. The legion's symbol was a centaur. Parthian campaign and Castra Albana (197–4th century) Together with its twin legions I ''Parthica'' and III ''Parthica'', the Second Parthian legion was levied for the attack on the eastern frontier. The campaign was a success and Ctesiphon, the Parthian capital was taken and sacked. After this war, II ''Parthica'' returned to Italia, and was stationed near Rome, in ''Castra Albana'' (Albano Laziale) – it was the first legion stationed in Italia for several centuries. Since it was not garrisoning a Roman province, it functioned both as a reserve that could be used in afflicted parts of the Empire, as well as a security element agai ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Legio I Parthica
Legio I ''Parthica'' (Latin language, Latin for "1st Parthian Legion") was a Roman legion, legion of the Imperial Roman army founded in AD 197 by the emperor Septimius Severus (r. 193–211) for his forthcoming war against Parthia. The legion's presence in the Middle East is recorded until the early 5th century. The legions I, Legio II Parthica, II, and Legio III Parthica, III ''Parthica'' were levied by Septimius Severus for his campaign against the Parthian Empire. After the success of this campaign, I and III ''Parthica'' remained in the region, in the camp of Singara (Sinjar, Iraq), in Mesopotamia, to prevent subsequent rebellions and to guard the eastern provinces from attacks from the Parthian Empire. Legionary, Legionaries from I ''Parthica'' were usually sent to other provinces, namely Lycia, Cilicia and Cyrenaica. In 360, I ''Parthica'' Siege of Singara (360), unsuccessfully defended its camp against a Sasanian Empire, Sasanid attack; after the defeat, the legion was m ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Euphrates
The Euphrates () is the longest and one of the most historically important rivers of Western Asia. Tigris–Euphrates river system, Together with the Tigris, it is one of the two defining rivers of Mesopotamia ( ''the land between the rivers''). Originating in Turkey, the Euphrates flows through Syria and Iraq to join the Tigris in the Shatt al-Arab, which empties into the Persian Gulf. Etymology The Ancient Greek form ''Euphrátēs'' ( grc, Εὐφράτης, as if from Greek εὖ "good" and φράζω "I announce or declare") was adapted from Old Persian 𐎢𐎳𐎼𐎠𐎬𐎢 ''Ufrātu'', itself from Elamite language, Elamite 𒌑𒅁𒊏𒌅𒅖 ''ú-ip-ra-tu-iš''. The Elamite name is ultimately derived from a name spelt in cuneiform as 𒌓𒄒𒉣 , which read as Sumerian language, Sumerian is "Buranuna" and read as Akkadian language, Akkadian is "Purattu"; many cuneiform signs have a Sumerian pronunciation and an Akkadian pronunciation, taken from a Sumerian word a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tigris
The Tigris () is the easternmost of the two great rivers that define Mesopotamia, the other being the Euphrates. The river flows south from the mountains of the Armenian Highlands through the Syrian and Arabian Deserts, and empties into the Persian Gulf. Geography The Tigris is 1,750 km (1,090 mi) long, rising in the Taurus Mountains of eastern Turkey about 25 km (16 mi) southeast of the city of Elazığ and about 30 km (20 mi) from the headwaters of the Euphrates. The river then flows for 400 km (250 mi) through Southeastern Turkey before becoming part of the Syria-Turkey border. This stretch of 44 km (27 mi) is the only part of the river that is located in Syria. Some of its affluences are Garzan, Anbarçayi, Batman, and the Great and the Little Zab. Close to its confluence with the Euphrates, the Tigris splits into several channels. First, the artificial Shatt al-Hayy branches off, to join the Euphrates near Nasiriyah. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Canal
Canals or artificial waterways are waterways or engineered channels built for drainage management (e.g. flood control and irrigation) or for conveyancing water transport vehicles (e.g. water taxi). They carry free, calm surface flow under atmospheric pressure, and can be thought of as artificial rivers. In most cases, a canal has a series of dams and locks that create reservoirs of low speed current flow. These reservoirs are referred to as ''slack water levels'', often just called ''levels''. A canal can be called a ''navigation canal'' when it parallels a natural river and shares part of the latter's discharges and drainage basin, and leverages its resources by building dams and locks to increase and lengthen its stretches of slack water levels while staying in its valley. A canal can cut across a drainage divide atop a ridge, generally requiring an external water source above the highest elevation. The best-known example of such a canal is the Panama Canal. Many ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
