* Paleolithic humans: Modern humans arrived in Poland around 40,000 years ago. These early humans were also hunter-gatherers who lived in caves and rock shelters. They made stone tools and used fire.
* Mesolithic humans: The Mesolithic period lasted from around 10,000 years ago to around 5,000 years ago. During this time, humans began to settle in permanent villages. They domesticated animals and plants, and they began to use pottery.
* Neolithic humans: The Neolithic period lasted from around 5,000 years ago to around 3,500 years ago. During this time, humans began to build large settlements and cities. They developed copper and bronze tools, and they began to use the wheel.
* Bronze Age humans: The Bronze Age lasted from around 3,500 years ago to around 1,200 years ago. During this time, humans began to use iron tools. They also developed writing and art.
* Iron Age humans: The Iron Age lasted from around 1,200 years ago to the beginning of the Common Era. During this time, humans continued to use iron tools. They also developed glass and other new materials.
These are just some of the ancient people who lived in Poland. The history of Poland is a long and complex one, and it is still being studied by historians today.