0 is the integer immediately preceding 1. Zero is an even number, because it is divisible by 2. 0 is neither positive nor negative. By most definitions 0 is a natural number, and then the only natural ...
Main articles: Names for the number 0 and Names for the number 0 in EnglishThe word zero came via French zéro from Venetian zero, which (together with cypher) came via Italian zefiro from Arabic ?? ...
The traditional Spanish pack (referred to as baraja espa?ola in Spanish) uses Latin suit symbols. Being a Latin-suited deck (like the Italian deck), it is organized into four palos (suits) that close ...
Playing cards were invented in Imperial China. They were found in China as early as the 9th century during the Tang Dynasty (618–907). The first reference to card games dates from the 9th century, wh ...
Under the imperial order of Emperor Renzong of Song (r. 1022–1063 AD), a team of Chinese scholars compiled the treatise of the Wujing Zongyao from 1040 to 1044, in order to improve the knowledge of a ...
Towards the end of the Tang Dynasty, the imperial government granted increased powers to the jiedushi, the regional military governors. The Huang Chao Rebellion weakened the imperial government, and b ...
In ancient China, various emperors sought the fabled elixir with varying results. In the Qin Dynasty, Qin Shi Huang sent Taoist alchemist Xu Fu with 500 young men and 500 young women to the eastern se ...
By refining bases into gold, the alchemist believed that immortal life would be delivered if the "fake" or synthetic gold was ingested. The idea that fake gold was superior to real gold arose because ...
For the most powerful black powder meal, a wood charcoal is used. The best wood for the purpose is Pacific willow, but others such as alder or buckthorn can be used. In Great Britain between the 15th ...
Main article: History of gunpowderGunpowder was invented in China while alchemists attempted to create a potion of immortality. Chinese military forces used gunpowder-based weapons (i.e. rockets, guns ...
The most common uses of porcelain are for utilitarian wares and artistic objects. It can be difficult to distinguish between stoneware and porcelain because this depends upon how the terms are defined ...
Wang Mang was a nephew of the Dowager Empress Wang, In AD 9, he usurped the throne, and founded the Xin Dynasty. He introduced a number of currency reforms which met with varying degrees of success. T ...
Main article: Chinese coinage during the Spring and Autumn and Warring States periodsThe earliest coinage of China was described by Sima Qian, the great historian of c. 100 BC:"With the opening of exc ...
Often, in the United States, wholesalers are not required to charge their buyers sales tax, but they sometimes are required to charge a tax at the wholesale level Direct selling Main articles: direct ...
The merchants, traders, and peddlers of goods were viewed by the scholarly elite as essential members of society, yet were placed on the lowest of the four grades in the official Chinese social hierar ...
