Filters:
Start Year: -909
End Year: 244
World: Central Oceania
Commodity: Industrial chemicals

Industrial chemicals

Years: 2637BCE - 2215

Commodity industrial chemicals include such compounds as natron, niter (saltpeter), alum, sulfuric acid, etc.

“History is important. If you don't know history it is as if you were born yesterday. And if you were born yesterday, anybody up there in a position of power can tell you anything, and you have no way of checking up on it.”

—Howard Zinn, You Can't Be Neutral ... (2004)