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 ...
Research suggests that autism can be reliably diagnosed by age 2, but this study found that fewer than half of children with autism are diagnosed by age 5. Autism is a complex neurodevelopmental disorder that affects as many as 1 in 88 U.S. children, according to the U.S. Centers for Disease Control and Prevention.