When did the Second World War end?

EDITORIAL LEARNING AID

Why is this answer correct?

The Second World War ended in Europe on 8 May 1945 with Germany's unconditional surrender. 1933 saw the start of Nazi rule, and in 1949 the two German states were founded. 1961 was the year the Berlin Wall was built.

End of the war in Europe: 8 May 1945.

This translation and explanation are editorial learning aids. The official German wording and answer key govern the examination.