Long ago, land changed hands. 
Long ago, land changed hands. 
Many people had to move. Some people left their old homes. Other people moved into these new lands. They came from many different places.
Some lands were part of Poland a long time ago. Leaders from the past ruled there. People called these the recovered lands. 
New people settled in these areas. They built new lives in their new homes. It was a time of great change.
After World War II, Poland's borders changed. New lands became part of Poland. These areas were once part of Germany.
This name came from history. Long ago, a ruling family called the Piasts ruled these lands. 
The change caused many people to move. Many German residents were forced to leave. 
At first, there were not enough people. There was a shortage of workers and families. Over time, these new communities built new lives. The border between Germany and Poland was finally set in 1990.
The Recovered Territories are a group of lands that became part of Poland after World War II.
This name came from a special idea about history. Long ago, a famous ruling family called the Piasts led the Polish state.
When the war ended, the people living in these lands had to move. Most German inhabitants were forced to leave their homes. 
Setting up these new communities was a very hard job. At first, there was a serious shortage of people to live and work. 
Today, the history of these lands is well known. In 1950, East Germany recognized the new border. Later, in 1970, West Germany did the same. Finally, in 1990, a united Germany signed a treaty to make it official.
The Recovered Territories, also called the Regained Lands, are specific regions that became part of Poland after World War II.
The idea of "recovery" relied on the Piast Concept. The Piast dynasty was the first ruling family of the Polish state in the Middle Ages.
Different parts of these territories had very different histories. Some areas were part of the Polish state during the rule of various Piast, Griffin, Jagiellon, or Sobieski dukes. Others had been part of Poland until the 17th century. Some regions, like Warmia and parts of Pomerelia, were lost during the Partitions of Poland in 1772 and 1793. 
After World War II, a massive movement of people occurred. Most German inhabitants were forcibly deported or fled during the later stages of the war. 
The new border between Germany and Poland is known as the Oder–Neisse line. This boundary was a major point of international discussion for decades. It was first recognized by East Germany in 1950. West Germany recognized the line in 1970. Finally, the re-united Germany affirmed the border in the German–Polish Border Treaty of 1990. This treaty helped provide long-term stability to the region's borders.
The term "Recovered Territories" was used heavily in official propaganda. It helped create a picture of an ethnically homogeneous Polish state. This was a shift from the earlier Jagiellon Poland, which had been much more multi-ethnic. The Polish communist authorities preferred the Piast model because it felt more connected to the land. This idea was even used to persuade the Allied Powers during border negotiations. It helped frame the land transfer as a way to "give the territories back" rather than just a compensation for lost eastern lands.
By 1949, the term "Recovered Territories" began to disappear from official communist propaganda. The authorities started calling them the "Western and Northern Lands" instead.
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