When did the Nazis occupy Austria?
Anschluss
12 March 1938
Anschluss (German:[ˈʔanʃlʊs](listen) "joining") refers to the annexation of Austria into Nazi Germany on 12 March 1938.[1] The word's German spelling, until the German orthography reform of 1996, was Anschluß[2] and it was also known as the Anschluss Österreichs (pronunciation, German: Annexation of Austria).