The German Democratic Republic is abolished and becomes part of the Federal Republic of Germany; the event is afterwards celebrated as German Unity Day.
German reunification, also known as the expansion of the Federal Republic of Germany (BRD), was the process of re-establishing Germany as a single sovereign state, which began on 9 November 1989 and culminated on 3 October 1990 with the dissolution of the German Democratic Republic and the integration of its re-established constituent federated states into the Federal Republic of Germany to form present-day Germany.
This date was chosen as the customary German Unity Day, and has thereafter been celebrated each year as a national holiday. On the same date, East and West Berlin were also reunified into a single city, which eventually became the capital of Germany.




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Sources and further reading: Wikipedia — German reunification, East Germany, Germany, German Unity Day (CC BY-SA). Images: Wikimedia Commons.