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Who is discover of Abacus?
The Sumerian abacus appeared in 2700 BC, a primitive device which was difficult to use. The Persians used the abacus in 600 BC. The Greek abacus dated to the 5th Century BC. The Chinese dated to the 2nd Century BC
When Was The Sundial First Used to Tell Time?
Scientists believe it was in about 3500 BC (about 5500 years ago).
How many years has it been since the Chinese Zodiac was invented?
The Chinese Zodiac was created many years ago by the Chinese people in 2637 BC. Therefore because it is 2011 the Chinese Zodiac was invented 3000 years ago today.
What is the answer to the estimated dates of the early Xia Dynaty are from 10000 bce to?
1500 BC
A time line for Euclid Al-Khwarizmi Omar Khayyam Archimedes Plato Mandelbrot Pythagoras Thales Hypatia Descartes?
would be guesswork at best since the exact dates of more than half of that group are unknown. Thales 624-546 BC Pythagoras 570-495 BC Euclid 465-350 BC Plato 428-348 BC Hypatia 360-425 BC Archimedes 287-212 BC Al-Khwarizmi 780-850 AD Omar Khayyam 1048-1131 AD Rene Descartes 1596-1650 AD Benoit Mandelbrot 1924-2010 AD
When did the Chinese invent cast iron?
early 5th century BC
What year did the second olympic games in?
780 BC
Early Chinese civilization started around 5000 BC when people who were once nomads began what?
Girlfriend, idek!
Who was the first to use a compass?
The Chinese were the first to use a compass for navigation, dating back to as early as the 2nd century BC.
What is 200 BC - 1400 BC?
200-1400 (BC) is the early early early early roman period back in rome.
Who invented a wind chime?
Wind chimes are thought to have been invented by the Chinese or the Romans; early examples have been found as early as 3000 BC in southeast Asia. There is no specific inventor credited with their invention, however.
Who controlled Vietnam for more than a thousand years beginning in 200 BC?
The Chinese
When did the Chinese invented negative integers?
around 100 BC to late 50 BC
Is china older than Egypt?
The written records go back farther in Egypt than in China, although it is impossible to establish the precise dates for the first organized civilizations. The oldest Chinese dynasty (Xia) may have existed as early as 2200 BC, but written records do not begin until the Shang dynasty, around 1300 BC but perhaps as early as 1700 BC. Egypt has hieroglyphics dated to around 3200 BC.
How did Confucius live?
Confucius lived from 551 BC to 479 BC He was a famous Chinese teacher.
What Chinese empires rose and fell between 2300 BC and 334 BC?
Babylonian and Hittite
Who found sulfur?
Sulfur has been known since ancient times and was likely discovered by either the Chinese or the Egyptians. The Chinese used sulfur for medicinal purposes as early as the 6th century BC, while the Egyptians used sulfur in their embalming process around 1500 BC.
