Question: What German national anthem was reinstalled after Ich hab' mich ergeben?

Related documents: [0]  [DOC] The "Deutschlandlied " (English: "Song of Germany", ] ; also known as "Das Lied der Deutschen " or "The Song of the Germans"), or part of it, has been the national anthem of Germany since 1922, except in East Germany, whose anthem was "Auferstanden aus Ruinen" ("Risen from Ruins") from 1949 to 1990. [END] 
[1]  [DOC] Ich hab′ mich ergeben, originally titled "Gelübde" ("Vow"), is a patriotic German song. The text was written in 1820 by Hans Ferdinand Maßmann. It was one of the unofficial national anthems of West Germany between 1949 and 1952 when the Deutschlandlied was officially reinstalled. [END]  
Answer: Deutschlandlied
Deutschlandlied