Urticaria (hives) Introduction. Urticaria â also known as hives, weals, welts or nettle rash â is a raised, itchy rash that appears on the skin. It may appear on one part of the body or be spread across large areas. The rash is usually very itchy and ranges in size from a few millimetres to the size of a hand.
When was the first baby formula invented? in 1869 by Justus Von Leibig, this was a simple formula of potassium bicarbonate, wheat and malt flour and was mixed with warm cows milk. Swiss chemist Henri Nestle created th â¦ e first complete formula (no addition of cows milk, just water) in 1870.hen was the first baby formula invented? in 1869 by Justus Von Leibig, this was a simple formula of potassium bicarbonate, wheat and malt flour and was mixed with warm cows milk. Swiss chemist Henri Nestle created th â¦ e first complete formula (no addition of cows milk, just water) in 1870.
1 1885 - Gottlieb Daimler invented what is often recognized as the prototype of the modern gas engine - with a vertical cylinder, and with gasoline injected through a carburetor (patented in 1887). 2  1886 - On January 29, Karl Benz received the first patent (DRP No. 37435) for a gas-fueled car.