Imperial and US customary measurement systems in 1824, to take effect in 1826) and United States customary units which evolved from English Units from 1776 onwards. The earliest records of English units of measure involve the weight (and therefore the value) of Saxon coins. The penny introduced by Offa was about 20 grains (1.296 g). Edward the Elder increased the weight of the English penny to 26 grains (1.685 g), thereby aligning it with the penny of Charlemagne. By the time of the Norman Conquest (1066), it had decreased to 24 grains (1.555 g). This value was subsequently called the "pennyweight" and formed the basis of
Ancient grains Ancient grains Ancient grains are a grouping of grains and pseudocereals that are considered to have been little changed by selective breeding over recent millennia, as opposed to more widespread cereals such as corn, rice and modern varieties of wheat, which are the product of thousands of years of selective breeding. Ancient grains are often marketed as being more nutritious than modern grains, though their health benefits have been disputed by some nutritionists. Ancient grains include varieties of wheat: spelt, Khorasan wheat (Kamut), freekeh, bulgur, farro, einkorn, and emmer; the grains millet, barley, teff, oats, and sorghum; and the pseudocereals