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Han dynasty grey pottery—its color derived from the clay that was used—was superior to earlier Chinese grey pottery due to the Han people's use of larger kiln chambers, longer firing tunnels, and improved chimney designs. [15] Kilns of the Han dynasty making grey pottery were able to reach firing temperatures above 1,000 °C (1,830 °F). [15]
The Han dynasty [a] was an imperial dynasty of China (202 BC – 9 AD, 25–220 AD) established by Liu Bang and ruled by the House of Liu. The dynasty was preceded by the short-lived Qin dynasty (221–206 BC) and a warring interregnum known as the Chu–Han Contention (206–202 BC), and it was succeeded by the Three Kingdoms period (220–280 AD).
The Han dynasty ruled in an era of Chinese cultural consolidation, political experimentation, relative economic prosperity and maturity, and great technological advances. There was unprecedented territorial expansion and exploration initiated by struggles with non-Chinese peoples, especially the nomadic Xiongnu of the Eurasian Steppe.
Eurotas River. According to myth, the first king of the region later to be called Laconia, but then called Lelegia was the eponymous King Lelex.He was followed, according to tradition, by a series of kings allegorizing several traits of later-to-be Sparta and Laconia, such as the Kings Myles, Eurotas, Lacedaemon and Amyclas of Sparta.
The Chinese astronomer Geng Shouchang of the Han dynasty (202 BC – 220 AD) invented it separately in China in 52 BC, and the Han dynasty polymath Zhang Heng (78–139 AD) was the first to apply motive power using a set of complex gears rotated by a waterwheel which was powered by the constant pressure head of an inflow clepsydra clock, the ...
Sparta was recognized as the leading force of the unified Greek military during the Greco-Persian Wars, in rivalry with the rising naval power of Athens. [3] Sparta was the principal enemy of Athens during the Peloponnesian War (431–404 BC), [4] from which it emerged victorious after the Battle of Aegospotami.
Athens is one of the oldest named cities in the world, having been continuously inhabited for perhaps 5,000 years. Situated in southern Europe, Athens became the leading city of ancient Greece in the first millennium BC, and its cultural achievements during the 5th century BC laid the foundations of Western civilization.
Louche (traditional Chinese: 耬車; simplified Chinese: 耧车; pinyin: lóuche; lit. 'drill sowing vehicle') was a mobile animal-drawn agricultural seed drill invented by the Chinese agronomist Zhao Guo, a Han official in charge of agricultural production during the reign of Han Wudi in the Han dynasty (156 – 29 March 87 BC).