How long is an elephant pregnant? While a female elephant is in labor, the other elephants in the herd protect her by forming a circle around her. Most elephants only bear one baby at a time, but twins occur in approximately two percent of elephant births.
# The purchase of The US Mint in Philadelphia, was the first money appropriated by Congress for a building to be used for a public purpose. It was purchased for a total of $4,266.67 on July 18, 1792. 1862-1879 â FLOATING fiat currency 7 years. The first use of fiat money (called Greenbacks) in the United States was in 1862, it was used as a tool to pay for the enormous cost of the Civil War. Greenbacks were a debt of the U.S. government, redeemable in gold at a future unspecified date.
Early Chinese Paper. Since the invention of writing, people had been trying to come up with something easier to write on than papyrus or parchment, and also something easier and cheaper to make. But it took 3000 years to come up with paper! Paper was invented around 100 BC in China.In 105 AD, under the Han Dynasty emperor Ho-Ti, a government official in China named Ts'ai Lun was the first to start a paper-making industry.This rag paper was still much more expensive than modern paper, which is made from wood with chemicals added). By this time, people in the country of the Aztecs (modern Mexico) had also, independently, invented paper.