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Was the invasion of the western territories of Germany mainly by the United States, United Kingdom, France and Canada at the end of World War II.
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With the Congress of Vienna of 1815 the Grand Duchy of Luxembourg was established, which was held in a personal union with the Netherlands by King William I. Unlike the Netherlands it became a member of the German Confederation. In 1839, following the turmoil of the Belgian Revolution, the purely French-speaking part of Luxembourg was ceded to Belgium and the Luxembourgish-speaking part (except the Arelerland, the area around Arlon) became what is the present state of Luxembourg. Luxembourg became independent but remained in personal union with the Netherlands until 1890.
Monthly Summary of the territorial changes of the selected polity during the selected war. The changes that refer to the same polity are summarized together.
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Polities are the smallest unit in the Phersu Atlas model. They represent political entities that control a territory, regardless of their form. Polities can be either independent or dependent.
An event (sometimes simply called war) is a categorization that encompasses changes, revolts, and other significant occurrences. Phersu Atlas includes all historical wars that involved changes or revolts, as well as a small percentage of non-war events (1% of the total), such as coastline changes and peace treaties.