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275 BC

 
Sci & Tech Chronology: In the year 275 bce

Medicine & health

Erasistratus [b. Chios (Greek Aegean island), c. 304 bce, d. Mycale (Samsum Daği, Turkey), c. 250 bce] performs public dissections. He declares that veins and arteries are connected and that arteries carry air from the lungs to the heart, where they become "animal spirits" that are carried from the heart to the rest of the body, while the veins carry blood. He observes that the nerves are connected to the brain and believes that there is a "nervous spirit" carried by them to the body. See also 450 bce Medicine & health; 1240 Medicine & health.


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Wikipedia: 275 BC
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Millennium: 1st millennium BC
Centuries: 4th century BC3rd century BC2nd century BC
Decades: 300s BC  290s BC  280s BC  – 270s BC –  260s BC  250s BC  240s BC
Years: 278 BC 277 BC 276 BC275 BC274 BC 273 BC 272 BC
275 BC by topic
Politics
State leaders – Sovereign states
Birth and death categories
BirthsDeaths
Establishments and disestablishments categories
Establishments – Disestablishments
275 BC in other calendars
Gregorian calendar 275 BC
Ab urbe condita 479
Armenian calendar N/A
Bahá'í calendar -2118 – -2117
Berber calendar 676
Buddhist calendar 270
Burmese calendar -912
Byzantine calendar 5234 – 5235
Chinese calendar [[Sexagenary cycle|]]年
(2362/2422)
— to —
[[Sexagenary cycle|]]年
(2363/2423)
Coptic calendar -558 – -557
Ethiopian calendar -282 – -281
Hebrew calendar 3486 – 3487
Hindu calendars
 - Vikram Samvat -219 – -218
 - Shaka Samvat N/A
 - Kali Yuga 2827 – 2828
Holocene calendar 9726
Iranian calendar 896 BP – 895 BP
Islamic calendar 924 BH – 923 BH
Japanese calendar
Korean calendar 2059
Thai solar calendar 269

Events

By place

Egypt

Roman Republic

Sicily

  • Following the departure of Pyrrhus from Sicily, the Syracusan army and the city's citizens appoint Hiero II as the commander of their troops. He strengthens his position by marrying the daughter of Leptines, the city's leading citizen.

Greece

Births

Deaths


 
 
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Sci & Tech Chronology. History of Science and Technology, edited by Bryan Bunch and Alexander Hellemans. Copyright © 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.  Read more
Wikipedia. This article is licensed under the Creative Commons Attribution/Share-Alike License. It uses material from the Wikipedia article "275 BC" Read more