230 BC

Centuries: 4th century BC - 3rd century BC - 2nd century BC Decades: 280s BC 270s BC 260s BC 250s BC 240s BC - 230s BC - 220s BC 210s BC 200s BC 190s BC 180s BC Years: 235 BC 234 BC 233 BC 232 BC 231 BC - 230 BC - 229 BC 228 BC 227 BC 226 BC 225 BC Events Sieve of Eratosthenes developed. The Roman Lucius Coruncanius is assaulted and killed while on a diplomatic mission to Queen Teuta, an event leading to the First Illyrian War. Temple of Horus built by Ptolemy II ...

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The following are some historical Germanic Confederations 230 BC - Bastarnae, a mixture of Germanic tribes, at the Black Sea; they participated in the siege of Olbia (modern Odessa) in 220 BC. 109 BC - Huge confederation composed of the Germanic of Cimbri and Teutoni and the Celtic-Germanic Helvetii formed near Miltenberg in Franconia. The confederation attempts an invasion of Italy but is defeated by Gaius Marius in the battles of Aquae Sextiae (102 BC) and Vercellae (101 BC) 8-6 B ...

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On the Sizes and Distances [of the Sun and Moon] is the only extant work written by Aristarchus of Samos, an ancient Greek astronomer who lived circa 310 BC - 230 BC. In this work, he calculates the sizes of the Sun and Moon, as well as their distances from the Earth in Earth radii. Aristarchus On the Sizes and Distances - Symbols. His method relied on several very difficult observations: The angle between the sun and moon when the moon is exactly half lit The apparent size of t ...

Including:

• Aristarchus On the Sizes and Distances - Symbols
• Aristarchus On the Sizes and Distances - Half-lit Moon
• Aristarchus On the Sizes and Distances - Lunar eclipse
• Aristarchus On the Sizes and Distances - Results
• Aristarchus On the Sizes and Distances - Works cited

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For other places of the same name, see Cartagena. Cartagena is a seaport in southeast Spain on the Mediterranean Sea, in the autonomous community of Murcia. The coordinates of Cartagena are 37°36′N 0°59′W. It is a walled town and has a fine harbor defended by forts. In the time of Philip II of Spain, it was a major naval seaport of Spain. It's still an imp ...

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The Warring States Period (traditional Chinese: 戰國時代, simplified Chinese: 战国时代 pinyin Zhànguó Shídài) takes place from sometime in the 5th century BC to the unification of China by Qin in 221 BC. It is nominally considered to be the second part of the Eastern Zhou Dynasty, following the Spring and Autumn Period. Like the Spring and Autumn Period, the king of Zhou acted merely as a figurehead. The name Warring States Period was named after Record of the Warring States compiled in early Han Dynasty. The ...

Including:

• Warring States Period - Partition of Jin
• Warring States Period - Change of Government in Qi
• Warring States Period - Early strife in the Three Jins Qi and Qin
• Warring States Period - Shang Yang's reforms in Qin
• Warring States Period - Ascension of the Kingdoms
• Warring States Period - Chu expansion and defeats
• Warring States Period - The Domination of Qin and the resulting Grand Strategies
• Warring States Period - Zhao's military reforms
• Warring States Period - Qin's conquest of China
• Warring States Period - Films set in the Warring States Period

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The art of ancient Greece has exercised an enormous influence on the culture of many countries from ancient times until the present, particularly in the areas of sculpture and architecture. In the West, the art of the Roman Empire was largely derived from Greek models. In the East, Alexander the Great's conquests initiated several centuries of exchange between Greek, Central Asian and Indian cultures, resulting in Greco-Buddhist art, with ramifications as far as Japan. Following the Renaissance in Europe, the humanist aesthetic and th ...

Including:

• Art in Ancient Greece - Definition
• Art in Ancient Greece - Periods
• Art in Ancient Greece - Survivals
• Art in Ancient Greece - Pottery
• Art in Ancient Greece - Sculpture
• Art in Ancient Greece - Architecture
• Art in Ancient Greece - Coin design

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This article is about the Han Dynasty strategist. For the Yellow Turban general, see Zhang Liang (Yellow Turban). Zhang Liang (張良, d. 189 BC) (meaning Zhang who is of good conscience), courtesy name Zifang (子房), was a descendant from a noble family of State of Han during the Warring States Period. His father, grandfather and great-grandfather were all officials of the State of Han (韩). Zhang Liang had once planned an assassination against Qin Shi Huang but the employed assassin mistakenly destroyed the d ...

Including:

• Zhang Liang - The assassination attempt against Qin Shi Huang
• Zhang Liang - Meeting Liu Bang and divided loyalties between serving him and restablishing Hán
• Zhang Liang - Death of Hán Cheng and Zhang's subsequent permanent allegiance to Liu
• Zhang Liang - Contributions to Liu Bang during Chu Han Contention
• Zhang Liang - Contributions after the establishment of Han Dynasty
• Zhang Liang - Impact on Chinese history

Read more here: » Zhang Liang: Encyclopedia - Zhang Liang

Centuries: 4th century BC - 3rd century BC - 2nd century BC Decades: 280s BC 270s BC 260s BC 250s BC 240s BC - 230s BC - 220s BC 210s BC 200s BC 190s BC 180s BC Years: 237 BC 236 BC 235 BC 234 BC 233 BC - 232 BC - 231 BC 230 BC 229 BC 228 BC 227 BC Events King Agron dies, and the throne of Illyria is occupied by his wife Queen Teuta (Tefta), "the Catherine the Great of Illyria", who expels the Greeks from the Albanian coast and then launches pirate ships into the Ion ...

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Centuries: 4th century BC - 3rd century BC - 2nd century BC Decades: 270s BC 260s BC 250s BC 240s BC 230s BC - 220s BC - 210s BC 200s BC 190s BC 180s BC 170s BC Years: 232 BC 231 BC 230 BC 229 BC 228 BC - 227 BC - 226 BC 225 BC 224 BC 223 BC 222 BC Events Faced with a dangerously small number of Spartan citizens, and other handicaps to the city-state, Cleomenes III issues revolutionary reforms: cancels debts, redistributes lands, makes citizens of perioeci and metics. ...

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Centuries: 4th century BC - 3rd century BC - 2nd century BC Decades: 270s BC 260s BC 250s BC 240s BC 230s BC - 220s BC - 210s BC 200s BC 190s BC 180s BC 170s BC Years: 230 BC 229 BC 228 BC 227 BC 226 BC - 225 BC - 224 BC 223 BC 222 BC 221 BC 220 BC Events Seleucus III Ceraunus succeeds his father Seleucus II Callinicus as king of the Seleucid dynasty. Battle of Faesulae, Romans are defeated by the Gauls of Northern Italy. Eratosthenes of Cyrene calculates the cir ...

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A hospital today is an institution for professional health care provided in part by physicians and nurses. Hospital - Terminology. During the Middle Ages the hospital could serve other functions, such as almshouse for the poor, or hostel for pilgrims. The name comes from Latin hospes (host), which is also the root for the words hotel and hospitality. Some patients just come just for diagnosis and/or therapy and then leave (outpatients); while others are "admitted" and stay overnight or ...

Including:

• Hospital - Terminology
• Hospital - Types
• Hospital - History

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Aristarchus (310 BC - circa 230 BC) was a Greek astronomer and mathematician, born in Samos, Greece. He is the first recorded person to propose a heliocentric model of the solar system, placing the Sun, not the Earth, at the center of the known universe (hence he is sometimes known as the "Greek Copernicus"). His astronomical ideas were not well-received and were subordinated to those of Aristotle and Ptolemy, until they were successfully revived an ...

Including:

• Aristarchus - Heliocentrism
• Aristarchus - Size of the Moon
• Aristarchus - Distance to the Sun

Read more here: » Aristarchus: Encyclopedia - Aristarchus

In ancient cultures religion and medicine were linked. The earliest known institutions aiming to provide cure were Egyptian temples. Greek temples dedicated to the healer-god Asclepius might admit the sick, who would wait for guidance from the god in a dream. The Romans adopted his worship. Under his Roman name Æsculapius, he was provided with a temple (291 BC) on an island in the Tiber in Rome, ...

See also:

Hospital, Hospital - Terminology, Hospital - Types, Hospital - History

Read more here: » Hospital: Encyclopedia II - Hospital - History

In the Spring and Autumn Period, the State of Jin (晉) was arguably the most powerful state in China. However, near the end of the Spring and Autumn Period, the power of the ruling family weakened, and Jin gradually come under the control of six large families (六卿). By the beginning of the Warring States Period, after numerous power struggles, there were four families left: the Zhi (智) family, the Wei (魏) family, the Zhao (趙) family, and the Han (韓) family, with the Zhi family being the dominant power in Jin. Zhi Yao (智瑶), t ...

See also:

Warring States Period, Warring States Period - Partition of Jin, Warring States Period - Change of Government in Qi, Warring States Period - Early strife in the Three Jins Qi and Qin, Warring States Period - Shang Yang's reforms in Qin, Warring States Period - Ascension of the Kingdoms, Warring States Period - Chu expansion and defeats, Warring States Period - The Domination of Qin and the resulting Grand Strategies, Warring States Period - Zhao's military reforms, Warring States Period - Qin's conquest of China, Warring States Period - Films set in the Warring States Period

Read more here: » Warring States Period: Encyclopedia II - Warring States Period - Partition of Jin

Sculpture is by far the most important surviving form of Ancient Greek art, although only a small fragment of Greek sculptural output has survived. Greek sculpture, often in the form of Roman copies, was immensely influential during the Italian Renaissance, and remained the “classic” model for European sculpture until the advent of modernism in the late 19th century. The Greeks decided at a very early period that the human form was the most important subject for artistic endeavour. Since they saw their gods as hav ...

See also:

Art in Ancient Greece, Art in Ancient Greece - Definition, Art in Ancient Greece - Periods, Art in Ancient Greece - Survivals, Art in Ancient Greece - Pottery, Art in Ancient Greece - Sculpture, Art in Ancient Greece - Architecture, Art in Ancient Greece - Coin design

Read more here: » Art in Ancient Greece: Encyclopedia II - Art in Ancient Greece - Sculpture

In ancient cultures religion and medicine were linked. The earliest known institutions aiming to provide cure were Egyptian temples. Greek temples dedicated to the healer-god Asclepius might admit the sick, who would wait for guidance from the god in a dream. The Romans adopted his worship. Under his Roman name Æsculapius, he was provided with a temple (291 BC) on a island in the Tiber in Rome, ...

See also:

Hospital, Hospital - Terminology, Hospital - Types, Hospital - History

Read more here: » Hospital: Encyclopedia II - Hospital - History

In the Spring and Autumn Period, the State of Jin (晉) was arguably the most powerful state in China. However, near the end of the Spring and Autumn Period, the power of the ruling family weakened, and Jin gradually came under the control of six large families (六卿). By the beginning of the Warring States Period, after numerous power struggles, there were four families left: the Zhi (智) family, the Wei (魏) family, the Zhao (趙) family, and the Han (韓) family, with the Zhi family being the dominant power in Jin. Zhi Yao (智瑶), t ...

See also:

Warring States Period, Warring States Period - Partition of Jin, Warring States Period - Change of Government in Qi, Warring States Period - Early strife in the Three Jins Qi and Qin, Warring States Period - Shang Yang's reforms in Qin, Warring States Period - Ascension of the Kingdoms, Warring States Period - Chu expansion and defeats, Warring States Period - The Domination of Qin and the resulting Grand Strategies, Warring States Period - Zhao's military reforms, Warring States Period - Qin's conquest of China, Warring States Period - Films set in the Warring States Period

Read more here: » Warring States Period: Encyclopedia II - Warring States Period - Partition of Jin

Zhang continued to have plans to restablish Hán. After Chen Sheng started a rebellion against Qin Dynasty in 209 BC, Zhang gathered about a hundred men and planned to join Chen's temporary successor as Prince of Chu, Jing Ju (景駒), when he met Liu Bang at Liu (留, in modern Xuzhou, Jiangsu). He was impressed by Liu Bang, and chose to join him. When Zhang discussed military strategies with LIu, Liu often understood and accepted his sugge ...

See also:

Zhang Liang, Zhang Liang - The assassination attempt against Qin Shi Huang, Zhang Liang - Meeting Liu Bang and divided loyalties between serving him and restablishing Hán, Zhang Liang - Death of Hán Cheng and Zhang's subsequent permanent allegiance to Liu, Zhang Liang - Contributions to Liu Bang during Chu Han Contention, Zhang Liang - Contributions after the establishment of Han Dynasty, Zhang Liang - Impact on Chinese history

Read more here: » Zhang Liang: Encyclopedia II - Zhang Liang - Meeting Liu Bang and divided loyalties between serving him and restablishing Hán

Aristarchus began with the observation that, when the moon was exactly half-lit, it forms a right triangle with the Sun and Moon. By observing one of the other angles in this right triangle, Aristarchus could deduce the ratio of the distances to the Sun and Moon using trigonometry. From the diagram and trigonometry, it follows that The diagram is greatly exaggerated, because in reality, S = 390L, and φ is extremely close to a r ...

See also:

Aristarchus On the Sizes and Distances, Aristarchus On the Sizes and Distances - Symbols, Aristarchus On the Sizes and Distances - Half-lit Moon, Aristarchus On the Sizes and Distances - Lunar eclipse, Aristarchus On the Sizes and Distances - Results, Aristarchus On the Sizes and Distances - Works cited

Read more here: » Aristarchus On the Sizes and Distances: Encyclopedia II - Aristarchus On the Sizes and Distances - Half-lit Moon

Half of the entire peninsula's population lives in Methana. Methana has a school, a lyceum, a gymnasuim, a church, a post office, a port which is located to the east, banks, hotels, taverns and a square (plateia). The residential area is within the eastern part of the mountain. Methana has a famous spa and springs. The peninsula is entirely of volcanic origin and contains over 30 extinct volcanoes. The last volcanic eruption occurred near present-day Kameni Chora in 230 BC. Famous writers such as Ovid, Strabo and Pausani ...

See also:

Methana, Methana - Communities and subdivisions, Methana - Historical population, Methana - Persons

Read more here: » Methana: Encyclopedia II - Methana - Historical population