Gunpowder Gunpowder was invented around 850 A.D. The Chinese used gunpowder in the early 1230's to launch fireworks and in weapons. Gunpowder was probably used for the first time in Europe during the Battle of Cr cy in 1346.Historians do not know if this invention was carried from China to Europe or in The Europeans invented it independently.he Chinese used gunpowder in the early 1230's to launch fireworks and in weapons. Gunpowder was probably used for the first time in Europe during the Battle of Cr cy in 1346. Historians do not know if this invention was carried from China to Europe or in The Europeans invented it independently.
Best Answer: A child can be professionally diagnosed with dyslexia as early as five-and-a-half years old. ... Of course, like most, there is quite a range. but it ...
ASD can sometimes be detected at 18 months or younger. By age 2, a diagnosis by an experienced professional can be considered very reliable. However, many children do not receive a final diagnosis until much older. This delay means that children with an ASD might not get the help they need.