Time Periods
Society
100

The oldest period of the Stone Age

The Paleolithic Age

100

Humans that rely on naturally occurring sources of food, obtained by scavenging, gathering, or hunting were called...

Hunters and Gatherers

200

The time period about 10,000 years ago, when people began to make better stone tool and beginning of agriculture occurred.

The Neolithic Era

300

The period when people began to use bronze to make tools and weapons after the Stone Age

The Bronze Age

400

The event / change that allowed humans to move from the Paleolithic Era to the Neolithic Era

The Agricultural Revolution

500

The time period before the Stone Age, when thick ice covered large areas of land

The Ice Age