sep 9, 1500 BC - First Glass invented
Description:
In the Stone Age, natural glass from the volcanic obsidian was used extensively traded for its rarity. The process of making glass was hard and slow as the furnaces were very small and could barely melt the the glass. Glass was important for its luxury and we still use it today for multiple things.Added to timeline:
Date:
sep 9, 1500 BC
Now
~ 3528 years ago