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217 Deaths
Year 217 ( CCXVII) was a common year starting on Wednesday of the Julian calendar. At the time, it was known as the Year of the Consulship of Praesens and Extricatus (or, less frequently, year 970 ''Ab urbe condita''). The denomination 217 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 * April 8 – Caracalla is assassinated by his soldiers near Edessa. Marcus Opellius Macrinus, head of the Praetorian Guard, declares himself Roman emperor. * Summer – Battle of Nisibis: A Roman army, under the command of Macrinus, is defeated in a three days' battle by the Parthians at Nisibis, in the province of Mesopotamia. * King Artabanus V signs a peace treaty with Rome after he receives 200 million sesterces, for the rebuilding of towns destroyed during the war in Parthia. * Macrinus, of Mauritania, becomes the first equestrian Roma ... [...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 with a fixed integer value. The modern style uses only these seven: The use of Roman numerals continued long after the Fall of the Western Roman Empire, 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 persisted in various places, including on clock face, 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 the representation of "4" as "" on Roman numeral clocks. Other common uses include year numbers on monuments and buildin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ancient Rome
In modern historiography, ancient Rome is the Roman people, Roman civilisation from the founding of Rome, founding of the Italian city of Rome in the 8th century BC to the Fall of the Western Roman Empire, collapse of the Western Roman Empire in the 5th century AD. It encompasses the Roman Kingdom (753–509 BC), the Roman Republic (50927 BC), and the Roman Empire (27 BC476 AD) until the fall of the western empire. Ancient Rome began as an Italic peoples, Italic settlement, traditionally dated to 753 BC, beside the River Tiber in the Italian peninsula. The settlement grew into the city and polity of Rome, and came to control its neighbours through a combination of treaties and military strength. It eventually controlled the Italian Peninsula, assimilating the Greece, Greek culture of southern Italy (Magna Graecia) and the Etruscans, Etruscan culture, and then became the dominant power in the Mediterranean region and parts of Europe. At its hei ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Battle Of Ruxu (217)
The Battle of Ruxu, also known as the Battle of Ruxukou, was fought between the warlords Sun Quan and Cao Cao in 217 in the late Eastern Han dynasty. Two years earlier, Sun Quan attempted to take control of Hefei fortress, but failed due to a sudden plague and the staunch resistance put up by Cao Cao's forces under Zhang Liao. Since then, Cao Cao had been making preparations for a counterattack on Sun Quan, and he personally led his navy to Ruxu to fight a decisive battle. This battle is not to be confused with another earlier battle that also took place at Ruxu in 213. Battle Before Cao Cao's massive army arrived at the battlefield, Sun Quan's second-in-command, Lü Meng, had already started to strengthen the defences of Ruxu fort, leaving the transportation and retreat route open for Sun. Meanwhile, Cao Cao operated his Hefei fortress as a front-line base, stationing his troops there; in addition, Cao Cao ordered Zang Ba and Sun Guan to mobilize their "Qingzhou Corps" to t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Amphitheater
An amphitheatre ( U.S. English: amphitheater) is an open-air venue used for entertainment, performances, and sports. The term derives from the ancient Greek ('), from ('), meaning "on both sides" or "around" and ('), meaning "place for viewing". Ancient Greek theatres were typically built on hillsides and semi-circular in design. The first amphitheatre may have been built at Pompeii around 70 BC. Ancient Roman amphitheatres were oval or circular in plan, with seating tiers that surrounded the central performance area, like a modern open-air stadium. In contrast, both ancient Greek and ancient Roman theatres were built in a semicircle, with tiered seating rising on one side of the performance area. Modern English parlance uses "amphitheatre" for any structure with sloping seating, including theatre-style stages with spectator seating on only one side, theatres in the round, and stadia. They can be indoor or outdoor. Roman amphitheatres About 230 Roman amphitheatres ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lightning
Lightning is a natural phenomenon consisting of electrostatic discharges occurring through the atmosphere between two electrically charged regions. One or both regions are within the atmosphere, with the second region sometimes occurring on the land, ground. Following the lightning, the regions become partially or wholly electrically neutralized. Lightning involves a near-instantaneous release of energy on a scale averaging between 200 megajoules and 7 gigajoules. The air around the lightning flash rapidly heats to temperatures of about . There is an emission of electromagnetic radiation across a wide range of wavelengths, some visible as a bright flash. Lightning also causes thunder, a sound from the shock wave which develops as heated gases in the vicinity of the discharge experience a sudden increase in pressure. The most common occurrence of a lightning event is known as a thunderstorm, though they can also commonly occur in other types of energetic weather systems, such ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fire
Fire is the rapid oxidation of a fuel in the exothermic chemical process of combustion, releasing heat, light, and various reaction Product (chemistry), products. Flames, the most visible portion of the fire, are produced in the combustion reaction when the fuel reaches its ignition point temperature. Flames from hydrocarbon fuels consist primarily of carbon dioxide, water vapor, oxygen, and nitrogen. If hot enough, the gases may become ionized to produce Plasma (physics), plasma. The color and Intensity (heat transfer), intensity of the flame depend on the type of fuel and composition of the surrounding gases. Fire, in its most common form, has the potential to result in conflagration, which can lead to permanent physical damage. It directly impacts land-based ecological systems worldwide. The positive effects of fire include stimulating plant growth and maintaining ecological balance. Its negative effects include hazards to life and property, atmospheric pollution, and water ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Colosseum
The Colosseum ( ; , ultimately from Ancient Greek word "kolossos" meaning a large statue or giant) is an Ellipse, elliptical amphitheatre in the centre of the city of Rome, Italy, just east of the Roman Forum. It is the largest ancient amphitheatre ever built, and is still the largest standing amphitheatre in the world, despite its age. Construction began under the Emperor Vespasian () in 72 and was completed in AD 80 under his successor and heir, Titus (). Further modifications were made during the reign of Domitian (). The three emperors who were patrons of the work are known as the Flavian dynasty, and the amphitheatre was named the Flavian Amphitheatre (; ) by later classicists and archaeologists for its association with their family name (Flavia (gens), Flavius). The Colosseum is built of travertine#Uses, travertine limestone, tuff (volcanic rock), and brick-faced Roman concrete, concrete. It could hold an estimated 50,000 to 80,000 spectators at various points in its h ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Suicide
Suicide is the act of intentionally causing one's own death. Risk factors for suicide include mental disorders, physical disorders, and substance abuse. Some suicides are impulsive acts driven by stress (such as from financial or academic difficulties), relationship problems (such as breakups or divorces), or harassment and bullying. Those who have previously attempted suicide are at a higher risk for future attempts. Effective suicide prevention efforts include limiting access to methods of suicide such as firearms, drugs, and poisons; treating mental disorders and substance abuse; careful media reporting about suicide; improving economic conditions; and dialectical behaviour therapy (DBT). Although crisis hotlines, like 988 in North America and 13 11 14 in Australia, are common resources, their effectiveness has not been well studied. Suicide is the 10th leading cause of death worldwide, accounting for approximately 1.5% of total deaths. In a given year, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Publius Septimius Geta
Publius Septimius Geta ( ; 7 March 189 – 26 December 211) was Roman emperor with his father Septimius Severus and older brother Caracalla from 209 to 211. Severus died in February 211 and intended for his sons to rule together, but they proved incapable of sharing power, culminating with the murder of Geta in December of that year. Early life Geta was the younger son of Septimius Severus by his second wife Julia Domna. He was born on 7 March 189 in either Rome or Mediolanum, at a time when his father was only a provincial governor at the service of Emperor Commodus. On 28 January 198, Geta was raised to '' caesar'' (heir). Septimius Severus gave him the title of ''augustus'' (emperor) in late 209, perhaps in September or October. During the campaign against the Britons in the early 3rd century AD, imperial propaganda promoted the image of a happy family that shared the responsibilities of rule. Geta's brother Caracalla acted as Severus' second-in-command, and administrativ ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Septimius Severus
Lucius Septimius Severus (; ; 11 April 145 – 4 February 211) was Roman emperor from 193 to 211. He was born in Leptis Magna (present-day Al-Khums, Libya) in the Roman province of Africa. As a young man he advanced through cursus honorum, the customary succession of offices under the reigns of Marcus Aurelius and Commodus. Severus was the final contender to seize power after the death of the emperor Pertinax in 193 during the Year of the Five Emperors. After deposing and killing the incumbent emperor Didius Julianus, Severus fought his rival claimants, the Roman generals Pescennius Niger and Clodius Albinus. Niger was defeated in 194 at the Battle of Issus (194), Battle of Issus in Cilicia (Roman province), Cilicia. Later that year Severus waged a short punitive campaign beyond the eastern frontier, annexing the Osroene, Kingdom of Osroene as a new province. Severus defeated Albinus three years later at the Battle of Lugdunum in Roman Gaul, Gaul. Following the consolidation of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Julia Domna
Julia Domna (; – 217 AD) was Roman empress from 193 to 211 as the wife of Emperor Septimius Severus. She was the first empress of the Severan dynasty. Domna was born in Emesa (present-day Homs) in Roman Syria to an Arab family of priests of the deity Elagabalus. In 187, she married Severus, who at the time was governor of the Roman province of Gallia Lugdunensis. They had two sons, Caracalla and Geta. A civil war over the Roman throne broke out in 193, and shortly afterwards Severus declared himself emperor. The war ended in 197 with the defeat of the last of Severus's opponents. As empress, Domna was famous for her political, social, and philosophical influence. She received titles such as "Mother of the Invincible Camps". After the elder of her sons, Caracalla, started ruling with his father, she was briefly co-empress with Caracalla's wife, Fulvia Plautilla, until the latter fell into disgrace. Following the death of Severus in 211, Domna became the first empress ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Equestrian (Roman)
The (; , though sometimes referred to as " knights" in English) constituted the second of the property/social-based classes of ancient Rome, ranking below the senatorial class. A member of the equestrian order was known as an (). Description During the Roman Kingdom and the first century of the Roman Republic, legionary cavalry was recruited exclusively from the ranks of the patricians, who were expected to provide six (hundreds) of cavalry (300 horses for each consular legion). Around 400BC, 12 more of cavalry were established and these included non-patricians (plebeians). Around 300 BC the Samnite Wars obliged Rome to double the normal annual military levy from two to four legions, doubling the cavalry levy from 600 to 1,200 horses. Legionary cavalry started to recruit wealthier citizens from outside the 18 . These new recruits came from the first class of commoners in the Centuriate Assembly organisation, and were not granted the same privileges. By the time of t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
