Clay is a common componet of soil, it has always been known about, as long as humans have existed they have known about clay.
The same answer could have been given if you had asked when was wood, or water discovered.
Clay was first discovered and used by humans in the region that is now modern-day Turkey, dating back to around 9000 BCE. It was utilized for making pottery and various tools due to its malleability and durability when fired.
Nitrogen was discovered in 1772 by Daniel Rutherford
Thallium was discovered in 1861 by Sir William Crookes.
Silicon was officially discovered in 1824 by Jöns Jacob Berzelius, a Swedish chemist.
Kaolin got its name from the Chinese word "gaoling," which means high ridge or hill where the clay was first discovered. This white clay mineral is famous for its use in ceramics, paper, and skincare products due to its fine texture and absorbent properties.
Clay was first discovered and used by humans in the region that is now modern-day Turkey, dating back to around 9000 BCE. It was utilized for making pottery and various tools due to its malleability and durability when fired.
yttrium was discovered in the year 1794.
mickey mouse year:1995
In the year 1902. Dr. Still discovered ADHD.
it was discovered 1347
By voice, by stone inscriptions, by clay inscriptions, by visual signals.
They made the clay soldiers to Guard the first emperor of china's tomb. Farmers discovered the underground tomb when trying to dig a hole for a well.
ATOMIC NUMBER YEAR IN WHICH IT WAS DISCOVERED? it was discovered in 1913 by British physicist Henry Mosely
argon was discovered by Dr.william Ramsay of Scotland in the year 1894.
sulfur was discovered in 1777
discovered in 1842
this has been discovered in the year of 1941