German Unification Day (Tag der Deutschen Einheit)

German Unity Day (German: Tag der Deutschen Einheit, pronounced [ˈtaːk deːɐ̯ ˈdɔɪ̯t͡ʃn̩ ˈaɪ̯n̩haɪ̯t] ) is the National Day of Germany, celebrated on October 3 as a public holiday. It commemorates German reunification in 1990 when the German Democratic Republic (East Germany) joined the Federal Republic of Germany (West Germany), so that for the first time since 1945 there existed a single German state.